SHERCO 290 ST User Manual

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

SHERCO 290 ST Specifications

General

Brand	SHERCO
Model	290 ST
Category	Motorcycle
Language	English