YZ 250 (2020) Accessories & Parts | SCOOTER-ATTACK

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Yamaha 250 YZ 2015-2021

Yamaha YZ 250

Yamaha's famous and still popular 250 YZ was launched in 1969. It quickly became a great success in racing, but also for hobby MX riders. Thanks to numerous innovations over time, such as the reed valve, exhaust valves or monoshock absorbers, the Yamaha YZ 250 remained one of the leading motocross bikes and is still in production today.
The chassis and engine have undergone constant developments and upgrads over the course of its long career. It is particularly noteworthy that the engine from 1999 is still used today and that the aluminum frame has been the same since 2005.

The Yamaha YZ 250 is a modern motocross bike, although the basics were designed many years ago, but above all it is a reliable motorcycle with a high fun factor that satisfies its many riders across the board.

The motocross machine is not street legal and is intended for use on closed motocross tracks.

YZ 250: Engine

Single cylinder 2-stroke engine
YPVS exhaust valves
Liquid cooling 1.2 L
Displacement: 249 cc
Bore x stroke: 66.4 x 72 mm
Play piston / cylinder: 0.045 - 0.050mm
Compression ratio: 8.9:1 (low rpm) / 10. 6:1 (high rpm)
Transmission: 5-speed manual gearbox
Clutch: Multi-plate clutch, manual
Gear oil: SAE 10W40 JASO MA / API SG
Oil volume: 800mL (total) / 750mL for oil change
Carburetor: Keihin PWK 38
Main jet: 178
Pilot jet: 50
Fuel: SP 95 / SP 98 (also E10)
Spark plug: NGK BR8EG
Gear ratio: 14x50 (520 chain, 114 links)

250 YZ: Chassis

Aluminium frame with simple double cradle
Front suspension: Kayaba inverted fork 48mm
Front suspension travel: 300mm
Rear suspension: Kayaba shock absorber with linkage
Rear suspension travel: 315mm
Front brake: 270mm brake disk
Rear brake: 245mm brake disk
Brake fluid: DOT4
Front tire: 80/100-21
Rear tire: 110/90-19
Caster angle: 27.7°
Seat height: 975mm
Weight, full tank: 103 kg
Tank: 7 L

Yamaha YZ 250 in our Shop

In our online store you will find a large selection of spare parts for your YZ 250.
For regular maintenance and minor repairs, we have engine oil, gear oil, spark plugs, levers and brake pads.
For larger projects, we stock pistons, crankshafts, gearbox bearings and clutches for the engine, as well as fork seals, linkage bearings and other suspension parts.
For racing drivers, we also offer tuning parts such as exhausts, reed valves, oversize brake kits or holeshot kits and other performance-enhancing parts.

for YZ 250 (2020)

Cylinder kits(1)

for YZ 250 (2020)

Cylinder Heads and Pistons(3)

for YZ 250 (2020)

Camshafts and Valves(9)

for YZ 250 (2020)

Cylinder Gaskets(3)

for YZ 250 (2020)

Cylinder Accessories(2)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

Bearings and Oil Seals(9)

for YZ 250 (2020)

Small End Bearings(4)

for YZ 250 (2020)

Crankshaft Accessories(1)

for YZ 250 (2020)

for YZ 250 (2020)

Exhausts Tuning(18)

for YZ 250 (2020)

Exhaust Accessories(149)

for YZ 250 (2020)

Carburetor and Intake

for YZ 250 (2020)

Carburetors(36)

for YZ 250 (2020)

Intake Manifolds(2)

for YZ 250 (2020)

Reed Valves and Petals(4)

for YZ 250 (2020)

Carburetor Accessories(121)

for YZ 250 (2020)

for YZ 250 (2020)

Fuel System(55)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

Clutch Bells(2)

for YZ 250 (2020)

Clutch Springs(2)

for YZ 250 (2020)

for YZ 250 (2020)

Chains and Sprockets(152)

for YZ 250 (2020)

Transmission Accessories(37)

for YZ 250 (2020)

for YZ 250 (2020)

Clutch Cases(1)

for YZ 250 (2020)

for YZ 250 (2020)

Spark Plugs(320)

for YZ 250 (2020)

for YZ 250 (2020)

Ignition Coils(3)

for YZ 250 (2020)

Ignition Accessories(5)

for YZ 250 (2020)

Killswitches(7)

for YZ 250 (2020)

for YZ 250 (2020)

Dashboard Instruments(39)

for YZ 250 (2020)

for YZ 250 (2020)

Switches and Cables(34)

for YZ 250 (2020)

Relays and Regulators(2)

for YZ 250 (2020)

Electrical Accessories(33)

for YZ 250 (2020)

Instrument Accessories(17)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

Lighting Accessories(11)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

Side and Main Stands(6)

for YZ 250 (2020)

Handlebars(247)

for YZ 250 (2020)

Throttle Grips(18)

for YZ 250 (2020)

for YZ 250 (2020)

Clutch and Brake Levers(85)

for YZ 250 (2020)

Handlebar Ends(16)

for YZ 250 (2020)

Handlebar Clamps(25)

for YZ 250 (2020)

for YZ 250 (2020)

Brake Cylinder Covers(2)

for YZ 250 (2020)

for YZ 250 (2020)

Kickstart Levers(3)

for YZ 250 (2020)

Screws and Caps(57)

for YZ 250 (2020)

Seats and Seat Covers(13)

for YZ 250 (2020)

Gearshift and Brake Pedals(27)

for YZ 250 (2020)

Foot Plates(15)

for YZ 250 (2020)

Other Customizing Parts(10)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

Cooling System(35)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

Bearings and Oil Seals(48)

for YZ 250 (2020)

Nuts and Bolts(255)

for YZ 250 (2020)

for YZ 250 (2020)

Other Spare Parts(1)

for YZ 250 (2020)

Starter Motors(1)

for YZ 250 (2020)

for YZ 250 (2020)

Brake Pads and Shoes(10)

for YZ 250 (2020)

Brake Calipers(16)

for YZ 250 (2020)

Brake Discs(18)

for YZ 250 (2020)

Brake Cylinders(14)

for YZ 250 (2020)

Brake Lines and Cables(12)

for YZ 250 (2020)

Brake Accessories(40)

for YZ 250 (2020)

for YZ 250 (2020)

Shock Absorbers(3)

for YZ 250 (2020)

for YZ 250 (2020)

Other Chassis Parts(36)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

for YZ 250 (2020)

Wheel Accessories(85)

for YZ 250 (2020)

for YZ 250 (2020)

Vehicle Equipment

for YZ 250 (2020)

Bike and Leg Covers(5)

for YZ 250 (2020)

Top Cases and Racks(1)

for YZ 250 (2020)

for YZ 250 (2020)

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