FatTireConversions.com sells lots of Yamaha BW350 parts. From air filters to wheels and chain guards to fork seals, we have what you need to keep your BW350 on the trail. This page shows the common parts that riders need, but we have much more available. We sell OEM Yamaha parts, as well as replacement parts made just for FatTireConversions.com. If we don't list what you need here, please check out our parts diagrams page. If you don't find what you need there, please contact us.

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| SEAT COVERS - $49.99
FTC offers red seat covers for all years of the Yamaha BW350. These covers fit just like the stock ones and are made just for us by a well known seat cover manufacturer. These covers have the Yamaha insignia on both sides as shown in the picture.
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| AIR FILTERS - $23.49
FTC offers genuine Yamaha air filters for both years of the BW350. This filter comes pre-oiled and ready to install and the Yamah part number is 2JN-14451-01-00.
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| OIL FILTERS - $17.99
FTC offers genuine Yamaha oil filters for both years of the BW350. We sell these filters with the O-ring that is removed when you replace the filter. The Yamaha part number for the filter and O-ring included in this kit are 4X7-13440-90-00, 93210-07135-00, and 93210-64297-00.
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| OIL STRAINERS - $29.99
FTC offers genuine Yamaha oil strainers for both years of the BW350. This is the small filter cup that is installed under the cap on the bottom right side of the engine and catches oil impurities after the oil pump. We sell this part with the O-ring that goes under the retaining cap for this part. The two Yamaha parts included with this kit are 51Y-13411-00-00 and 93210-347A1-00.
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| SHIFTER SHAFT SEAL - $5.99
FTC offers Yamaha shifter shaft seals for both years of the BW350. The Yamaha part number for this seal is 93102-12321-00.
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| ENGINE OUTPUT SHAFT SEAL - $7.99
FTC offers Yamaha engine output shaft seals for both years of the BW350. The Yamaha part number for this seal is 93102-25208-00.
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| PISTONS & RINGS
FTC offers pistons, rings, and other top-end parts for the BW350. We offer the parts individually, as well as in kits that include the piston, rings, wrist pin, and circlips. The pistons and rings are quality aftermarket Namura brand parts, and the wrist pin and circlips are OEM Yamaha parts. We offer stock bore parts, as well as over-sized parts, so please be sure to select what you need below. These parts typically ship about 5 business days after the purchase is made.
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| ENGINE VALVES & SEALS - $119.99
FTC offers genuine Yamaha engine valve and seal kits for both years of the BW350. These kits come with a new OEM intake valve, OEM exhaust valve, and OEM valve stem seals. The three part numbers included in this kit are 3Y1-12121-01-00, 3Y1-12111-01-00, and 1J7-12119-01-00 (x2). This kit typically ships in about 5 business days.
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| TIMING CHAINS - $58.99
FTC offers genuine Yamaha timing chains for both years of the BW350. The Yamaha part number for this chain is 94500-02092-00. These parts typically ship in about 5 business days.
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| FORK BOOTS - $29.99/ SET
FTC offers quality aftermarket fork boots for both years of the BW350. We offer them in either black or red, they include zip ties to fasten them, and them come in pairs.
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| FORK SEALS - $32.99
FTC offers Moose brand fork seal kits for both years of the BW350. These high-quality kits come with two oil seals and two dust seals, so you have everything you need but the fork oil.
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| STEERING STEM BEARINGS & SEALS - $51.99
FTC offers quality All Balls Racing brand steering bearing and seal kits for all years of the BW350. These kits replace the loose ball bearings and seals with quality angled roller bearings and modern seals that provide smooth operation and far superior strength and reliability.
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| FUEL PETCOCKS - $49.99
FTC offers genuine Yamaha fuel petcocks for both years of the Yamaha BW350. The Yamaha part number for this fuel valve is 36R-24500-01-00 and it comes with the mounting gasket installed.
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| THROTTLE CABLES - $25.99
FTC offers aftermarket Motion Pro throttle cable sets for both years of the BW350. The OEM Yamaha part number for this 2-cable set is 1VJ-26302-00-00 has been discontinued.
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| CLUTCH CABLES - $24.99
FTC offers genuine Yamaha clutch cables for both years of the BW350. The Yamaha part number for this cable is 1UY-26335-00-00.
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| FRONT BRAKE CABLES - $50.99
FTC offers genuine Yamaha clutch cables for both years of the BW350. The Yamaha part number for this cable is 3Y1-26341-00-00.
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| REAR BRAKE ROD
The stock BW350 rear brake rod, Yamaha part number 2JN-27231-00-00, has been discontinued. We have exhausted our resources in finding a suitable replacement without having them made from scratch. However, we have determined that the BW200 rear brake rod can be made to work by extending it by about 1.5". We do not have a modified version of the rod available, but please visit the BW200 Common Parts page if you're up for the job and need a brake rod for your BW350.
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| BRAKE SHOES - $19.99/$29.99
FTC offers quality EBC Carbon X brake shoe sets for both years of the BW350. These kits include both shoes and are sold in sets for the front brake drum and rear brake drum. Please be sure to select the correct kit below.
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| CARBURETOR NEEDLE VALVES - $19.99
FTC offers genuine Yamaha carburetor needle valves for both years of the Yamaha BW350. The Yamaha part number for this carburetor float valve is 2JN-14107-00-00 and it comes just as shown to the left.
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| CARBURETOR REBUILD KITS - $59.99
FTC offers aftermarket carburetor rebuild kits for all years of the Yamaha BW350. THIS KIT ONLY WORKS WITH STOCK CARBURETORS and will not work with aftermarket carburetors. This kit comes with everything needed to completely rebuild your carb, including new jets, adjustment springs, needle valve, center needle, seals, and gaskets. Everything shown in the picture to the left is included in this kit.
AT THIS TIME, WE ARE OUT OF STOCK OF THIS KIT. MORE ARE ON ORDER, BUT NO ETA AT THIS TIME
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| HEADLIGHT BULBS - $4.99
FTC offers genuine Yamaha headlight bulbs for both years of the BW350. The Yamaha part number for this bulb is 21V-84314-00-XX, which replaces part number 21V-84314-00-00. In the event of a shortage, a quality aftermarket bulb may be substituted.
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| TAILLIGHT BULBS - $2.99
FTC offers quality aftermarket taillight bulbs for both years of the Yamaha BW350. This is a direct replacement for the now discontinued Yamaha part number 809-84714-00-00 and 54G-84514-00-00.
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| TAILLIGHT LENSES - $29.99
FTC offers quality aftermarket DC Plastics brand taillight lenses for both years of the Yamaha BW350. These parts are made just like the original, so they fit just right. The original Yamaha part number that these lenses replace is 4V5-84521-00-00. The lens does not include the mounting screws.
AT THIS TIME, WE ARE OUT OF STOCK OF THIS PART.
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| CDI MODULES - $269.99
We stock replacement BW350 CDI modules. These digitally controlled modules replace the original Yamaha part number of 2JN-85540-M0-00, and they are built here in the US. These modules work with all BW350 models and plug right into the factory harness connections with factory color wires and original style connectors. However, please be aware that this part does not mount like original and will require being zip tied to the frame. Due to the way that everything is secured and molded into the case, they are far more durable than the original module and about $100 less than the factory module.
NOTES:
-Does not mount like original and will require being zip tied to the frame
-The blue wire with yellow stripe on the CDI connects to the blue wire with a white stripe on the harness
-Brown wire on factory wiring harness is NOT used. This lead must be taped off or capped.
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| SPARK PLUGS - $4.99
FTC offers NGK spark plugs for both years of the BW200. The NGK number for this plug is DR8EA.
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| IGNITION COILS - $94.99
FTC offers genuine Yamaha ignition coils for both years of the Yamaha BW350. The Yamaha part number for this coil is 4RP-82310-29-00, which replaces part number 2JN-82310-M0-00, and it makes use of your existing spark plug cap. The part shown to the left is similar to this part, but the secondary lead with the male bullet connector is not shown.
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| IGNITION SWITCH - $69.99
FTC offers repalcement keyed ignition switches for both years of the BW350. The original Yamaha switch, part number 2JN-82510-02-00, has been discontinued, but we were lucky enough to find another genuine Yamaha switch that works properly on these machines. The switch fits in the stock mounting hole, but the kicker is that the modular connectors are different between this switch and the stock part. The wire colors are the same though, so just cut off the connector on this switch and splice on the stock switch connector and it'll work properly.
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| STARTER SOLENOIDS - $85.99
FTC offers genuine Yamaha starter relays (also known as solenoids) for all Yamaha BW350 models. The Yamaha part number for this relay is 4KD-81940-00-00 and it comes with a new mounting boot.
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| LEFT HANDLEBAR SWITCH POD ASSEMBLY - $109.99
The stock Yamaha BW350 handbar switch pod assembly, part number 2JN-83973-08-00, was recently discontinued, so we came up with an alternate solution. What we came up with is another genuine Yamaha switch that has the same functions, but does have some differences. Our switch has a different style modular connector, 3 wires of a different color, and a sliding ON/OFF switch that needs one wire moved to another terminal. We dare say that this is a job for those with at least a little bit of electrical experience, a soldering iron, and heat shrink. THIS IS NOT A PLUG-AND-PLAY PART, but a part that will have to be either spliced to the stock harness directly, or spliced to the stock switch's modular and bullet connectors. The table below shows which wires to connect to each other.
STOCK HARNESS WIRE | CONNECT TO ON NEW SWITCH |
Yellow | Yellow |
Green | Green |
Blue | Blue |
Red/white stripe | Red/white stripe |
Black | Black/white stripe |
Yellow/red stripe | Brown |
Blue/white stripe | Black |
As mentioned above, there is one other discrepancy with this switch compared to the stock part. With the original BW350 switch, two wires are disconnected in the OFF position, but with our repalcement switch, before modification, the equivalent wires are connected in the OFF position. That means that for the switch to be labeled correctly, you must move the black/white stripe wire to the unused connection terminal on the internal switch block, as shown below. If you do not do this, the machine will remain ON when in the OFF position, which is a user hazard. Below we have a diagram showing exactly what needs to be moved.
If you have any questions about the installation of this switch, please contact us.

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| CLUTCH DISKS & SPRINGS
FTC offers high-quality EBC and Barnett clutch disks and springs for Yamaha BW350 models. We offer two options for clutch friction disks, one option for steel drive disks, and two options for clutch spring sets. If you're doing a complete clutch rebuild, please be sure to select friction disk set, steel clutch disk set, and springs that you want below. These kits typically ship in about 4 business days.
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| SHIFTER LEVERS - $39.99
FTC stock original equipment shifter levers for both years of the Yamaha BW350. When you purchase a lever here, you will get the lever itself, the rubber peg cover, and pinch bolt. The three included Yamaha part numbers are 3Y6-18111-00-00, 132-18113-01-00, and 97017-06020-00. The rubber bumper tube and pinch bolt are not shown in the picture.
AT THIS TIME WE HAVE VERY LOW STOCK OF THIS PART
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| CLUTCH LEVERS - $12.99
FTC offers quality Motion Pro stock replacement clutch levers for all years of the BW350. The Yamaha part number that this lever fits in place of is 23X-83912-00-00.
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| FRONT BRAKE LEVERS - $12.99
FTC offers quality Motion Pro stock replacement front brake levers for all years of the BW350. The Yamaha part number that this lever fits in place of is 23X-83922-00-00.
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| PRO TAPER HANDLEBARS - $74.99
FTC offers ProTaper SE 7/8" handlebars for the BW350. There may be a million different handlebars on the market that'll work on the BW350, but these are our favorite. These have the "ATV Low" bend and have similar rise to the stock handlebars on the BW200. We stock them in black.
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| Enduro Engineering hand guards - $74.99
FTC offers high-quality Enduro Engineering all aluminum hand guards for the BW350. These kits include billet aluminum guards and mounting brackets that wrap around the handlebar and keep your fingers safe if you make contact with an obstacle. Other included hardware is not shown. We offer these kits for standard 7/8" diameter handlebars and 1 1/8" fat bars, so please be sure to select the appropriate kit below.
If you are looking for wind protection, we have wind deflectors for this kit below.
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| ENDURO ENGINEERING HAND GUARD WIND PROTECTORS - $24.99
FTC offers Enduro Engineering wind deflectors for the aluminum hand guard kits that we list above. These plastic deflectors mount over the guards listed above and provide both wind and roost protection to help keep your hands safe and warm. These kits are available in a handful of colors and requires drilling of 2 holes in each guard they attach to, but the correct drill bit, mounting hardware, and mounting instructions are included to make it easy.
We stock red, white, black, and blue kits. Other colors may take up to 2 weeks to ship.
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| Round Mirror kit - $19.99 NEWLY ADDED!
FTC offers a clamp on aftermarket round mirror option for the BW350. Some states have started requiring mirrors for trail machines, so we have come up with a quick and easy solution. These offer a subdued look, and a ton of adjustability. It can be mounted on either the left or right side of the handlebars. This kit includes 1 mirror and mount.
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| FACTORY SERVICE MANUALS - $74.99
FTC offers genuine Yamaha factory service manuals for both years of the BW350. The cover for this manual WILL look different than shown in our picture. This manual covers everything on these machines and is the exact same manual that a Yamaha service department uses when working on these machines. The Yamaha part number for this manual is LIT-11616-05-69.
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| FRONT DRIVE CHAINS & SPROCKETS - $99.99
FTC offers front drive chains and sprocket replacement kits for all BW350 models. As the stock 530 size sprockets are no longer available and no other aftermarket alternatives are available, our kit converts the front chain drive system to a 520 size chain and includes a new steel front sprocket (engine mounted sprocket - stock 14 tooth size), replacement 16 tooth inner countershaft sprocket (17 tooth is stock), and a high-quality DID non-O-ring chain and master link (must be cut to length). Please be aware that this kit will give your machine a slightly higher top speed as the inner countershaft sprocket is 1 tooth smaller than stock.
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| ENGINE COUNTER SHAFT SPROCKET RETAINERS - $6.99
FTC offers engine counter shaft sprocket retainer plates for both years of the BW350. The Yamaha part number for this plate is 3Y1-17456-00-00.
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| REAR DRIVE SPROCKET ADAPTERS - $101.99
FTC offers DMO Specialties rear drive sprocket adapters for all years of the BW350. The original rear sprocket for these bikes, Yamaha part number 2JN-25437-51-00, has been discontinued, and there are currently no direct bolt-on aftermarket rear drive sprocket available, so this is the solution. The beautifully machined part bolts up to the stock rear sprocket hub on these machines and allows you to run easy to find Honda 400EX rear drive sprocket, which we will soon offer below. Click HERE to see the manufacturer's detailed installation instructions.
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| DRIVE CHAINS GUARDS - $134.99
The original Yamaha chain guard for the BW350, part number 2JN-22310-00-00, has been discontinued, but we have been able to verify that the stock chain guard for the BW200 bolts right up! This part makes use of your stock mounting hardware (mounting hardware not included).
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| JACKSHAFT BEARING & SEAL KITS - $89.99
FTC offers DMO Specialties jackshaft bearing, spacer, and seal kits. Most of equivalent stock Yamaha parts have been discontinued, so the wizards at DMO developed this kit. The kit comes with four new bearings, two stainless outer collars, one inner steel collar, two seals, two outer washers, and one large washwer that allows a 520 size inner sprocket to be run if you choose to (do not install this washer if you are running the stock 530 sprocket). Click HERE to see the manufacturer's detailed installation instructions.
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| SWING ARM BUSHING & ADJUSTER KITS - $238.99
FTC offers DMO Specialties swing arm bushing and cam adjuster kits for all years of the BW350. This kit COMPLETELY replaces the original, discontinued Yamaha swingarm cam adjusters, bushings, indexing cap, and dust cap that keep your swingarm in adjustment and your front drive chain tensioned (will NOT work in conjunction with stock cams, bushings, or caps). This kit also comes with the cam adjustment lever that ties the two cams together, making even adjustment easy. All the beautifully machined parts are made right here in the US and solves a big problem with these bikes.
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| FRONT WHEEL BEARINGS & SEAL KIT - $63.99
We stock genuine Yamaha front wheel bearings and seal kit for both years of the BW350. This kit comes with the two stock bearings and the right shaft seal. The Yamaha part numbers included in this kit are 93306-20310-00 (bearings - x2) and 93102-23252-00 (right shaft seal).
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| REAR WHEEL BEARINGS & SEAL KITS - $89.99
We offer genuine Yamaha rear wheel bearings and seal kit for both years of the BW350. This kit comes with the three stock bearings and the left shaft seal. The Yamaha part numbers included in this kit are 93306-20310-00 (x3 - bearing) and 93102-25311-00 (shaft seal).
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| REAR WHEEL HUB ADAPTERS - $136.99
We offer high-quality billet machined DMO Specialties rear wheel hub adapters for all years of the Yamaha BW350. The factory rear wheels for these machines (Yamaha part number 2HT-25390-00-35) have been discontinued, and none of the wheel manufacturers make direct replacements, so this hub adapter bolts up to the stock rear wheel hub and allows you to use easy to find wheels with 4x156 bolt bolt patterns and 3+5" hub offsets. We will soon be offering suitable wheels below. This beautifully machined part comes equipped with the required mounting hardware, allows you to make use of larger diameter wheels, which opens up your tire options for the rear of your BW350. Click HERE to see detailed installation instructions.
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| REAR WHEELS - $87.99
FatTireConversions.com offers AMS silver painted steel rear wheels for use with the DMO Specialties bolt pattern adapter listed above on all years of the BW350. We offer these replacement rear wheels in a 10"x8" size that allows use of many types of tires. These large bell wheels have the required 4/156 mm bolt patter and 3+5" hub offset. These wheeles WILL NOT work without the hub adapter listed above and WILL NOT work with stock size BW350 rear tires. These wheels come with a valve stem, but it may not come installed.
If you purchase a tire at the same time as this wheel, we'll mount it up for free!
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Yamaha BW350 rear tires are no longer difficult to find! After scouring our catalogs, we have been able to put together a full range of appropriately sized tires for these machines. The stock tire size for the back of the BW200 is a 23x11-9, and we have been able to verify that 24" tires also fit on this machine, so we are offering both 23" and 24" tires below. As the original Yamaha rear wheel on these machines are 9" in diameter, most of the tires listed below will require replacement of the rear wheel with the larger diameter 10" wheel and hub adapter that we list above.
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| AMS SWAMP FOX - $89.99/$104.99
The AMS Swamp Fox tire is a heavy-duty 6-ply tire with a 5/8" tread depth that provides good traction without bogging down your motor when the conditions get sloppy. This tire typically ships in about 4 business days.
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| CARLISLE AT489 - $162.99
The Carlisle AT489 rear tire is a round profile, 3 ply tire that is makes it easy to lean the bike into curves and gives great trail performace and grip without being heavy. This tire typically ships in about 4 business days.
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| KENDA BEAR CLAW - $89.99/$124.99
The Kenda Bear Claw is a 6-ply tire that provides an aggressive bite. With it's chevron pattern, it also provides excellent traction in soft terrain like sand, snow, and mud. This tire typically ships in about 4 business days.
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| ITP MUD LITE AT
The ITP Mud Lite AT is a durable, yet light weight 6-ply tire that has an appropriately sized 3/4" lug height and a rounded profile that turns-in easily. This tire typically ships in about 3 business days.
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| DURO EXCAVATOR HF274
The Duro Excavator HF274 is a 4 ply tire that puts a lot of rubber on the ground providing a smooth ride and excellent traction on hard and soft terrain. This tire typically ships in about 4 business days.
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| DURO HF243
The Duro HF243 is a 2-ply tire with a tough carcass and a bluntly rounded profile. It has closely spaced tread bars and knobs that smooth out the ride and provide great traction for general trail riding without robbing power. This tire typically ships in about 4 business days.
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The Yamaha BW350 came equipped with 25x8-12 front tires for both 1987 and 1988 model years. Below we have provided many suitable tire options for this bike.
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| CARLISLE TITAN 489
The Carlisle AT489 front tire is a round profile, 4 ply tire that is makes it easy to lean the bike into curves and gives great trail performace and grip without being heavy. This tire typically ships in about 4 business days.
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| DURO DI-K211
The Duro DI-K211 is a 4 ply front tire with a proven design. It has been an OEM tire used by Yamaha for years and is a great all around trail tire. This tire typically ships in about 4 business days.
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| DURO HF243
The Duro HF243 is a 2-ply tire with a tough carcass and a bluntly rounded profile. It has closely spaced tread bars and knobs that smooth out the ride and provide great traction for general trail riding without robbing power.
This tire typically ships in about 4 business days.
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| DURO DI-K911
The Duro DI-K911 is a 4 ply tire with broad tread blocks to provide a long tread life and broad contact patch. This is a great tire for well-groomed and rough trails alike. This tire typically ships in about 4 business days.
4 ply
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| CST ABUZZ CU01
The CST Abuzz is a tough 6 ply tire that has lots closely spaced knobs for technical terrain that requires lots of grip. This tire typically ships in about 4 business days.
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| CST CLINCHER CU03
The CST Clincher is a sturdy 6 ply tire with lots of grip on loose and hard terrain alike. It has a rounded profile that turns in easy and makes a great trail tire. This tire typically ships in about 4 business days.
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| KENDA CLAW XC
The Kenda Claw XC is a 6 ply tire that works great on moderately sloppy trail conditions. It offers plenty of side grip and turns in easily with its rounded profile. This tire typically ships in about 4 business days.
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| MAXXIS VIPER MU15
The Maxxis Viper is a beefy 6 ply tire that gives a ton of grip no matter what you run into for terrain. This tire typically ships in about 4 business days.
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| CARLISLE ALL TRAIL
The Carlise All Trail is a 4 ply tire that's great for smooth trail, dirt roads, and pavement. If you're using your BW for a pit bike at the track, this is a great option. This tire typically ships in about 4 business days.
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