22 TECHNICAL DATA
96
22.1
Engine
Design
1-cylinder 4-stroke engine, water-cooled
Displacement
249.91 cm³ (15.2505 cu in)
Stroke
52.3 mm (2.059 in)
Bore
78 mm (3.07 in)
Compression ratio
14.4:1
Idle speed
2,250… 2,350 rpm
Control
DOHC, four valves controlled via cam lever, drive via timing
chain
Valve diameter, intake
32.5 mm (1.28 in)
Valve diameter, exhaust
26.5 mm (1.043 in)
Valve clearance
Intake at: 20 °C (68 °F)
0.10… 0.15 mm (0.0039… 0.0059 in)
Exhaust at: 20 °C (68 °F)
0.13… 0.18 mm (0.0051… 0.0071 in)
Crankshaft bearing
2 cylinder bearings
Conrod bearing
Slide bearing
Piston pin bearing
Bearing bush
Pistons
Forged light alloy
Piston rings
1 compression ring, 1 oil scraper ring
Engine lubrication
Pressure circulation lubrication with two Eaton pumps
Primary transmission
24:73
Clutch
Multidisc clutch in oil bath/hydraulically activated
Gearbox
5-gear, claw shifted
Transmission ratio
1st gear
13:32
2nd gear
16:32
3rd gear
17:28
4th gear
19:26
5th gear
21:25
Alternator
12 V, 66 W
Ignition
Contactless controlled fully electronic ignition with digital igni-
tion adjustment
Spark plug
NGK LMAR9AI-8
Spark plug electrode gap
0.8 mm (0.031 in)
Cooling
Water cooling, permanent circulation of coolant by water pump
Starting aid
Electric starter
22.2
Engine tightening torques
Nozzle, crank chamber ventilation
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Oil nozzle for alternator cooling
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Oil nozzle for balancer shaft lubrica-
tion
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Oil nozzle for clutch lubrication
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Oil nozzle for conrod bearing lubrica-
tion
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Screw, oil nozzle for piston cooling
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Locking screw for bearing
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Oil channel screw plug in alternator
cover
M5
1.2 Nm (0.89 lbf ft)
Loctite
®
648™
Oil nozzle for cam lever lubrication
M5
3 Nm (2.2 lbf ft)
Loctite
®
243™
Oil nozzle, piston cooling
M5
2 Nm (1.5 lbf ft)
Loctite
®
243™
Содержание FC 250 2017
Страница 1: ...OWNER S MANUAL 2017 FC 250 Art no 3402095en ...
Страница 2: ......