1987 Yamaha YZ250

 

 

Specs for 1987 Yamaha YZ250:

Engine
Engine Type 2-stroke
Bore x Stroke 68 mm x 68 mm
Engine Features Reed valve
Engine Cooling Liquid


Ignition
Spark Plug NGK B8eg


Carburetion
Carburetor Mikuni VM38ss
Main Jet 350
Pilot Jet 30
Needle Jet Q-4
Jet Needle 6F16
Air Screw 2 turns out from fully seated position
Float Level 26-28 mm


Transmission
Transmission 5 - speed
Transmission Oil 10w30 (factory recommended)
Transmission Oil Capacity 900 cc


Chassis
Fuel Tank Capacity 2.1 gallons


Forks
Fork Oil Capacity 587 cc


Shock
Shock(s) Monocross
Shock Rebound 25 positions(14 clicks out recommended)
Shock Compression 28 positions(8 clicks out recommended)
Shock Preload External


Wheels and Tires
Front Wheel 21 in
Rear Wheel 18 in
Brakes Disk/Drum