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GENERALITÀ
GENERAL
NOTES GÉNÉRALES
ALLGEMEINES
GENERALIDADES
Distanza elettrodi candela: 0,6÷ 0,7 mm.
ENGINE
4-stroke single cylinder.
Bore (in.) ................................................................. 3.85
Stroke (in.) ............................................................ 2.9 in.
Capacity (cu.in.) ................................................. 35.2 in.
Compression ratio ..................................................... 9:1
VALVE GEAR
Single overhead camshaft, chain driven; 4 valves.
Valve angle in relation to cylinder:
INLET: 20°
EXHAUST: 20°.
Valve timing with valve play of 0.012 in. with cold engine:
INLET:
opens at b.T.D.C.: 43°
closes at a.B.D.C.: 78°.
EXHAUST:
opens at b.B.D.C.: 84°
closes at a.T.D.C.: 34°.
Gap with engine cold:
INLET: 0.02 in.
EXHAUST: 0.02 in.
FUEL FEED
Gravity.
Dry type air filter.
Carburettors: ( TE 610E, SM 610S USA)
"DELL'ORTO" PHM 40MS1 with scavenge pump; "MIKUNI" BST 40
(SM 610S)
LUBRICATION
Forced with lobe-twin-pumpe.
COOLING
By fluid with double cooler, electric fan and expansion tank.
IGNITION
Electronics with capacitive discharge and with variable spark
advance.
Make: "KOKUSAN".
Spark plug: "NGK" C7E or "CHAMPION" G59C (for sporting
A.8
Part. N. 8000 A1169 (03-03)
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