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Summary of Contents for ET300E

Page 1: ...LlT 12618 00 33 YAMAHA SNOWMOBILE SUPPLEMENTARY SERVICE MANUAL 8L3 28197 10 ...

Page 2: ... further perfect all models Improvements are modifications are therefore inevitable In light of this fact all specifications w ithin this manual are subject to change without notice Information regarding changes is forwarded to all Authorized Yamaha Dealers as soon as available SERVICE DEPT INTERNATIONAL DIVISION YAMAHA CO LTD Particularly important information is distinguished in this manual by t...

Page 3: ...uld be read as follows 10 Piston ring inspection a Check rings for scoring If any severe scratches are noticed replace ring set b Measure ring end gap in free position If beyond tolerance replace ring set Ring end gap free Top Approx 6 5 mm 026 in Second Approx 7 5 mm 0 30 in 1 c Push the ring into the bore and check end gap clearance with a feeler gauge If beyond tolerance replace ring set Ring e...

Page 4: ... volume 18 3 cc 1 12 cu in with spark plug Compression chamber type Dome Squish Head gasket thickness 0 5 mm 0 02 in Cylinder Material Cast iron sleeves aluminum Bore size 56 mm 2 21 in Taper limit 0 05 mm 0 0020 in Out of round limit 0 01 mm 0 0004 in Piston Piston skirt clearance Measuring point 0 040 0 045 mm 0 0016 0 0018 in 10 mm from piston skirt end Piston oversize 1st 56 25 mm 2213 in 2nd ...

Page 5: ... Crank bearing type Right X q ty 6305 special X 1 pc Crank oil seal type Left X q ty FPJ 30 72 8 2TS X 1 pc Crank oil seal type Center X q ty Labyrinth seal X 1 pc Crank oil seal type Right X q ty FPJ 25 48 8TS X 1 pc Carburetor Type manufacturer quantity B38 32 M IKUNI X 1 pc I D Mark 8H901 Main jet MJ 210 Pilot jet PJ 90 Pilot screw PS 1 1 2 turns out Throttle valve ThV 185 r Valve seat V S 1 5 ...

Page 6: ...hain pitch X Number of links Free play Chain housing oil quantity Chain housing oil grade Brake Type Brake pad thickness Bra ke pad wear limit Gap between pad and disc Blue 0 20 rv 0 25 mm 0 0079 rv 0 0098 in 1 65 rv 1 87 mm 00650 rv 0 0736 in 1 36 0 50 rv 0 63 cc 0 0169 rv 0 0213 oz 4 15 rv 4 70 cc 0 1403 rv 0 1589 oz 25 1 mm 098 0 04 in at idle 2 4 liter 25 us qt YAMALUBE 2 cycle V belt automati...

Page 7: ...n Black Charging coil resistance 15 00 at 20 C 68 F Blue Black Ignition timing B T D C 1 4 0 1 mm 0 055 0 004 in Ignition coil Model M anufacturer CM62 20 HITACHI or YW 5 1 TOYO DENSO Spark gap 9 mm 0 4 in 300 r min 11 mm 0 6 in 3 000 r min Primary winding resistance 0 150 at 20 C 68 F 0 120at20 C 68 F Secondary winding resistance 3 6kO at 20 C 68 F 40kO at 20 C 68 F Diode Yes or No No Spark plug ...

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