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Z distance (height of control flap)
Primary transmission
Clutch
Transmission
Transmission ratio
First gear
Second gear
Third gear
Fourth gear
Fifth gear
Sixth gear
Ignition system
Spark plug
Spark plug electrode gap
Starting aid
21.1.3
300 XC US
Design
Displacement
Stroke
Hole
Exhaust valve, beginning of adjustment
Crankshaft bearing
Conrod bearing
Piston pin bearing
Piston
Piston rings
X distance (upper edge of piston to upper edge of
cylinder)
Z distance (height of control flap)
Primary transmission
Clutch
Transmission
Transmission ratio
First gear
Second gear
Third gear
Fourth gear
Fifth gear
Sixth gear
Ignition system
Spark plug
Spark plug electrode gap
49.0 mm (1.929 in)
26:73
Multidisc clutch in oil bath/hydraulically activated
6-gear, claw shifted
15:31
16:25
20:25
22:23
25:22
26:20
Contactless controlled, fully electronic ignition with
digital ignition adjustment, type Kokusan
NGK BR 7 ES
0.60 mm (0.0236 in)
Kick starter and electric starter
1-cylinder 2-stroke engine, water-cooled, with reed
intake and exhaust control
293.2 cm³ (17.892 cu in)
72 mm (2.83 in)
72 mm (2.83 in)
5,500 rpm
1 grooved ball bearing/1 roller bearing
Needle bearing
Needle bearing
Cast aluminum
2 rectangular rings
0 ... 0.10 mm (0 ... 0.0039 in)
49.5 mm (1.949 in)
26:73
Multidisc clutch in oil bath/hydraulically activated
6-gear, claw shifted
15:31
16:25
20:25
22:23
25:22
26:20
Contactless controlled, fully electronic ignition with
digital ignition adjustment, type Kokusan
NGK BR 7 ES
0.60 mm (0.0236 in)
TECHNICAL DATA 21
131
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