1983-1988 Genuine Yamaha Enticer/Excell III 340 Series Snowmobile Service Manual, Page 58Get this manual
Quality of the image is intentionally reduced!
Chain deflection10 mm (0.4 in)
Install both collars in the chain caseThe larger goes on the drive axle, the smaller on the secondary shaft4 Place both the drive and driven sprockets in the drive