22 TECHNICAL DATA
154
Exhaust valve, beginning of adjustment 5,500 rpm
Crankshaft bearing 1 grooved ball bearing/1 roller bearing
Conrod bearing Needle bearing
Piston pin bearing Needle bearing
Piston Cast aluminum
Piston rings 2 rectangular rings
Engine lubrication Separate lubrication
X distance (upper edge of piston to upper edge of
cylinder)
0 … 0.10 mm (0 … 0.0039 in)
Z distance (height of control flap) 49.5 mm (1.949 in)
Primary transmission 26:73
Clutch Multidisc clutch in oil bath/hydraulically activated
Transmission 6-gear, claw shifted
Transmission ratio
First gear 14:32
Second gear 16:26
Third gear 20:25
Fourth gear 22:23
Fifth gear 25:22
Sixth gear 26:20
Alternator 12 V, 196 W
Ignition system Contactless controlled, fully electronic ignition with
digital ignition adjustment, type Kokusan
Spark plug NGK ZGR 7 G1
Spark plug electrode gap 1.3 mm (0.051 in)
Cooling Water cooling, permanent circulation of coolant by
water pump
Starting aid Kick starter and electric starter
22.2 Engine tightening torques
Screw, inner membrane sheets EJOTDELTA PT
®
35x25 1 Nm (0.7 lbf ft)
Screw, membrane support plate EJOTDELTA PT
®
30x12 1 Nm (0.7 lbf ft)
Screw, outer membrane sheets EJOTDELTA PT
®
30x6 1 Nm (0.7 lbf ft)
Screw, angle lever, exhaust control M5 6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, bearing retainer M5 7 Nm (5.2 lbf ft)
Loctite
®
243™
Screw, clutch spring retainer M5 6 Nm (4.4 lbf ft)
Screw, crankshaft position sensor M5 6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, exhaust control bearing
support
M5 6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, exhaust control cap M5 5 Nm (3.7 lbf ft)
Screw, exhaust control cover M5 4 Nm (3 lbf ft)
Loctite
®
222™
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