1983-1988 Genuine Yamaha Enticer/Excell III 340 Series Snowmobile Service Manual, Page 59Get this manual

1983-1988 Genuine Yamaha Enticer/Excell III 340 Series Snowmobile Service Manual, Page 59

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8 When filling with gear oil, the filler cap and oil level screw should be removed 1 Oil level screw

Fil until begins to run out the screw holeRecommended oilGear oil API "G SAE #75 or #8