Technical Features Of The Engine - SHERCO ST Series Workshop Manual

TECHNICAL FEATURES OF THE ENGINE

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ENGINE
Engine
Capacity
Diameter x Stroke
Nikasil cylinder piston tolerance
Piston
Electronic ignition
Spark plug
Electrode distance
Lubrication
Fuel
Carburettor Dell'Orto PHBL26BS
Carburettor adjustment
Needle position
Refrigeration
Starter
Exhaust
Primary transmission
1st
2nd
3rd
4th
5th
Final transmission
Clutch
Oil capacity
80 ST 125 ST
74.60 cc 123.70 cc
44.50 x 50.70 54 x 54
0.02 mm 0.04 mm
Leonelli Digital Hidria Digital
W16EPR-U3021 W16EPR-U3021
0.7 0.7
Keihin Ø 28 mm
Main jet 105 Main jet 122
Edle jet 45 Edle jet 50
P3 P5
5 sp. sequential selection with neutral selector.
13:33
15:35
18:33
24:26
31:20
9:54 9:48
250 ST
2 stroke by Sherco
249.70 cc
72.80 x 60
0.03 mm
Alclad aluminium
Hidria Digital
W16EPR-U3021
0.7
2 % oil mixture
98 oct. unleaded gasoline
Dell'Orto PHBL26BS
Main jet 122
Edle jet 33
P2 +0.5
Forced-circulation liquid cooled
Cog system with retracting pedal
Stainless steel tube with aluminium muffl er
10:42
Wet hydraulic multi-plate
450c.c 10W50W Minerva
290 ST 305 ST
272 cc 294 cc
76 x 60 79 x 60
0.035 mm 0.05 mm
Hidria Digital Hidria Digital
W16EPR-U3021 W16EPR-U3021
0.7 0.7
Keihin Ø 28 mm Keihin Ø 28 mm
Main jet 125 Main jet 128
Edle jet 42 Edle jet 42
P4+0.5 P4+0.5
10:42 10:42
127