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TECHNICAL SPECIFICATIONS – ENGINE »
ENGINE CR-65
Design Liquid cooled single cylinder two-stroke engine with reed valve intake
Displacement 64.85 ccm
Bore/stroke 45 / 40.8 mm (1.77/1.6 in)
Fuel SUPER fuel, research octane no 95, mixed with high grade two-stroke oil
Oil/gasoline ratio 1 : 60 when using high grade two-stroke oil (e.g. Motorex Cross Power 2T),
when in doubt, please contact our importer
Lubrication mixture lubrication
Crankshaft bearing 2 deep-groove ball bearing
Connecting rod bearing needle bearing
Piston pin bearing needle bearing
Piston rings 1 compression ring
Primary drive straight cut spur gears, 23:75 t
Clutch multiple disc clutch in oil bath, hydraulic operated (Motorex Kupplungsfluid 75)
Transmission 6 speed, claw actuated
Gear ratio 1st gear 13 : 37
2nd gear 16 : 34
3rd gear 18 : 31
4th gear 21 : 30
5th gear 23 : 28
6th gear 24 : 26
Transmission oil 0.30 liter (0.0792 USgal) gear oil (e.g. Motorex Top Speed 4T 15W50)
Ignition system Moric Digital 2M1
Spark plug NGK BR 8 ECM
Electrode gap 0.60 mm (0.0236 in)
Carburetor Mikuni VM 24-505
Coolant 0.55 liter (0.145 Usgal), 50% antifreeze, 50% destilled water, at least -25° C (-13° F)
Air filter wet foam type air filter insert
BASIC CARBURETOR SETTING
CARBURETOR MIKUNI VM 24-505
Main jet 200
Needle jet 864 0-0
Idling jet 25
Jet needle 5I14
Needle position from top IV
Throttle valve 1.5
Starting jet 30
Air adjustment screw open 1