3
SPECIFICATIONS - ENGINE
SPECIFICATIONS
Engine 400 450 525
Type single-cylinder, 4-stroke, liquid-cooled, with countershaft and electric start
Displacement 398 cc 448 cc 510 cc
Bore/stroke 89 / 64 mm 89 / 72 mm 95 / 72 mm
Compression ratio 11 : 1 11 : 1 11 : 1
Fuel unleaded premium fuel with a minimum of 95 RON
Valve gear 4 rocker-operated valves and 1 overhead camshaft driven by single chain
Camshaft 5532 590/5521 590/5521 590/5521
Diameter of intake valves 35 mm 35 mm 35 mm
Diameter of exhaust valves 30 mm 30 mm 30 mm
Valve cold clearance intake: 0,12 mm
Valve cold clearance exhaust: 0,12 mm
Crankshaft bearings 2 cylindrical roller bearings
Small end bearing needle roller cage
Small end bearing bronze bearing
Piston forged alloy
Piston rings 1 compression ring, 1 scraper ring
Lubrication 2 oil pumps
Engine oil completely synthetic oil of known brands (Bardahl XTM 15 W 50)
Oil quantity 1,25 litres
Primary drive cylindrical gears with straight teeth, 33:76 teeth
Clutch wet multiplate
Transmission (with front coupling) 6 speed 6 speed 6 speed
Gear ratios 1st 14:34 1st 14:34 1st 14:34
2nd 17:31 2nd 17:31 2nd 17:31
3rd 19:28 3rd 19:28 3rd 19:28
4th 22:26 4th 22:26 4th 22:26
5th 24:23 5th 24:23 5th 24:23
6th 26:21 6th 26:21 6th 26:21
Ignition system DC-CDI digital ignition system without breaker, with variable spark advance, KOKUSAN type
Dynamo 12V 150W 12V 150W 12V 150W
Spark plug NGK DCPR 8 E
Spark gap 0,6 - 0,7 mm
Cooling liquid cooling, forced liquid circulation by pump
Coolant 1.3 litres, 40% antifreeze, 60% water, at least -25°C
Starting electric start / kickstart
3 - Tighening torques, specifications, recommended products, Homologation E3 Release 01 Date 09/2007
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