11-44E
Engine
625 LC4
Design
Liquid-cooled single cylinder 4-stroke engine with balancer shaft
Displacement
625 ccm
Bore / Stroke
101 / 78 mm
Ratio
11,0 : 1
Fuel
unleaded premium gasoline with a least RON 95
Valve timing
4 valves over rocker arm and 1 overhead camshaft, camshaft drive through single chain
Camshaft
249/1
Valve diameter
Intake: 36 mm Exhaust: 30 mm
Valve clearence cold
Intake: 0,15 mm Exhaust: 0,15 mm
Crank shaft bearing
2 cylinder roller bearing
Connecting rod bearing
needle bearing
Top end bearing
bronze bushing
Piston
forged aluminium alloy
Piston rings
1 compression ring, 1 taper face ring, 1 oil scraper ring
Engine lubrication
two oilpumps
Engine oil
10W-40 (Shell Advance Ultra 4)
Engine oil quantity
1,6 liters (0,42 US gallons)
Primary ratio
straight geared spur wheels 30 : 81 teeth
Clutch
multi disc clutch in oil bath
Transmission
5-speed claw shifted
Gear ratio
1st 14:35
2nd 15:24
3rd 18:21
4th 20:19
5th 22:18
Ignition system
contactless DC-CDI ignition with digital advanced system type KOKUSAN 4K-3C
Ignition timing
adjustment to max. 38 ° BTDC at 6000 rpm
Generator
12V 150 W
Spark plug
NGK DPR8 EA-9
Spark plug gap
0,9 mm
Cooling system
liquid cooled, permanent rotation of cooling liquid through mechanic driven water pump
Cooling liquid
1 liter, 40% antifreeze, 60% water, at least –25°C (–13°F)
Starting equipment
Kickstarter, cold start knob on carburetor
TECHNICAL SPECIFICATIONS – ENGINE 625 SC, 625 SC SUPERMOTO 2002
625 SC,
625 SC SUPERMOTO
BASIC CARBURETOR SETTING
Carburetor
Carburetor setting number
Main jet
Needle jet
Idling jet
Main air jet
Idling air jet
Needle position from top
Throttle valve
Starting jet
Performance restrictor
Stop pump membrane
Keihin FCR41
140501
180
OBDVT
45
200
100
5th
15
85
Slide stop 23mm
3,2mm
Содержание 400-660 LC4 1998-2005
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