2010 Yamaha Vector, RSVector, RS90GTZ, RS90LTGTZ, RST90GTZ Service Manual (P/N LIT-12618-02-91)

• Official Yamaha publication P/N LIT-12618-02-91, 1st Edition, April 2009
• Covers 2010 Yamaha Vector, RSVector, RS90GTZ, RS90LTGTZ, and RST90GTZ snowmobile models equipped with the liquid-cooled 1,049 cc 3-cylinder EFI engine
• Serves as the primary reference for all 2010 model-year RS-series trail and touring variants
• Contains 47 pages of technical reference material, including torque specifications, cooling system capacities, and electrical circuit diagrams

Technical Documentation Overview

The manual outlines the exact assembly and maintenance parameters for the RS Vector GT, RS Vector L-TX GT, and RS Venture GT. Chapters are logically divided by vehicle system. You will find dedicated sections for internal engine components, cooling system service, power train adjustments, and electrical starting systems. The publication details specialized shop procedures. These include measuring valve clearances, syncing throttle bodies, and setting drive track tensioning for varying rear suspension configurations like the Mono Shock II and Pro Comfort setups. Working on these advanced systems requires high precision. Always verify procedures with a certified technician prior to performing heavy maintenance on this equipment to ensure operational safety.

Specification Highlights

Accurate data is critical when rebuilding or servicing these 3-cylinder powerplants. The documentation provides precise torque values for engine and chassis assembly, noting crucial figures like 13 Nm for spark plugs and 64 Nm for secondary sheave bolts. Coolant system capacities are broken down by specific model, ranging between 5.4 and 6.1 liters. Factory valve clearance tolerances are clearly documented at 0.15–0.22 mm for the intake and 0.21–0.25 mm on the exhaust side. Furthermore, the text includes highly detailed high-altitude tuning charts mapped for varying elevations from 800m up to 3,000m.