11-34E
Engine 400 SXC
Design Liquid-cooled single cylinder 4-stroke engine
Displacement 398 ccm
Bore / Stroke 89 / 64 mm
Ratio 10,8 : 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 timing by 1 mm IO 22° BTDC EO 60° BBDC
valve clearence IC 42° ABDC EC 4° ATDC
Valve diameter Intake: 36 mm Exhaust: 30 mm
Valve clearence cold Intake: 0,20 mm Exhaust: 0,20 mm
Crank shaft bearing 2 cylinder roller bearing
Connecting rod bearing needle bearing
Top end bearing bronze bushing
Piston cast aluminium alloy
Piston rings 1 compression ring, 1 taper face ring, 1 oil scraper ring
Engine lubrication forced-feed lubrication through Eaton-Oilpump with oil sump
Engine oil quantity 1,45 liters (0,38 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 thyristor ignition with electronic advanced system type SEM
Ignition timing adjustment to max. 38 ° BTDC at 6000 rpm
Generator 12V 130W
Spark plug NGK D8EA
Spark plug gap 0,6 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 decompressor automatic and hand actuated, cold and hot start knob on carburetor
TECHNICAL SPECIFICATIONS – ENGINE 400 SXC USA 2000
BASIC CARBURETOR SETTING
Type BST40-225
Carb.-setting number 040599
Main jet 160
Needle jet 689 X-6
Idling jet 45
Jet needle 6G5
Needle clip pos. f. top 3. from top
Mixt. adj. screw open 2,25 turns
Throttle valve –
Starting jet –
Performance restrictor
–
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