SPECIFICATION YAMAHA TZR 250 SP
ENGINE
Liquid-cooled two-stroke V-twin
CAPACITY
249cc (56 x 50.7mm)
VALVE OPERATION
Reed-valve inlet, electronically-controlled exhaust timing
COMPRESSION RATIO
8.0 to 1 (static)
LUBRICATION
Oil injection
IGNITION
Capacitor discharge
CARBURATION
Two 36mm Mikuni VM
PEAK POWER
45bhp @ 9500rpm
PEAK TORQUE
3.8kgm @ 8000rpm
PRIMARY DRIVE
Gear
PRIMARY RATIO
(67/26) 2.576 to 1
CLUTCH
Dry multiplate
GEARBOX
Six-speed
INTERNAL RATIOS
2.357, 1.764, 1.470, 1.253, 1.135 & 1.043 to 1
FINAL DRIVE
525 O-ring type
FINAL DRIVE RATIO
(37/14) 2.642 to 1
OVERALL RATIOS
16.1, 12.0, 10.0, 8.53, 7.73, 7.1
FRAME
Fabricated aluminium-alloy beam type
FRONT SUSPENSION
Inverted telescopic fork, 39mm legs, Adjustable preload, compression and rebounding damping Rear: Aluminium-alloy swing arm, single shock
WHEELS
Front: Cast aluminium-alloy three spoke Rear: Cast aluminium -lloy three spoke
TYRES…