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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)
Compression ratio 9.1 : 1
Fuel SUPER fuel, research octane no 95, mixed with high grade two-stroke oil
Oil/gasoline ratio 1 : 40 when using high grade two-stroke oil (e.g. Shell Advance Racing X),
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 (Shell HF-E15)
Transmission 6 speed, claw actuated
Gear ratio 1
st
gear 13 : 37
2
nd
gear 16 : 34
3
rd
gear 18 : 31
4
th
gear 21 : 30
5
th
gear 23 : 28
6
th
gear 24 : 26
Transmission oil 0.30 liter (0.0792 USgal) gear oil 20W30 (e.g. Shell Advance Ultra 4)
Ignition system Moric Digital 2M1
Spark plug NGK BR 8 ECM
Electrode gap 0.60 mm (0.0236 in)
Carburetor Mikuni VM 24
Coolant 0.55 liter (0.145 Usgal), mixture coolant : water = 2 : 1, at least -25° C (-13° F)
Air filter wet foam type air filter insert
TECHNICAL SPECIFICATIONS - ENGINE 65 SX 2003
Carburetor Mikuni VM 24
Main jet 200
Needle jet N-8
Idling jet 30
Jet needle 5114-3
Needle position from top III
Throttle valve 2.0
Starting jet 20
BASIC CARBURETOR SETTING
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