Yamaha SRX120 Snowmobile Service Manual 2013 (P/N 8JM-F8197-10/LIT-12618-03-04)
59 Pages • 14.34 MB • Instant, Printable PDF
Yamaha Models Covered & Key Technical Specifications
Models: Yamaha SRX120
Model Years: 2013
Technical Data:
- Engine Displacement: 123 cc
- Engine Type: 1-cylinder, 4-stroke air-cooled
- Bore x Stroke: 56 mm x 50 mm
- Spark Plug: NGK BPR4ES
- Engine Oil: 0W-40 Synthetic
- Oil Capacity: 20.3 fl oz (600 ml)
- Main Jet Size: 77.5
- Track Dimensions: 172.72 cm x 25.4 cm (68" x 10")
- Carburetor Float Height: 16.002 mm (0.63")
Yamaha Manual Features & Content Preview
- Official 59-page Yamaha OEM workshop manual for 2013 SRX120 snowmobiles (1st edition, April 2012)
- Publication P/N 8JM-F8197-10 / LIT-12618-03-04
- Provides mechanical assembly details, technical specifications, and maintenance data for the 123 cc engine, drivetrain, and chassis
- Includes detailed engine torque diagrams, carburetor tuning parameters, electrical system resistance values, and suspension adjustment tables
Component and System Documentation
This manual delivers structured reference data for the complete snowmobile assembly. Chapters detail engine removal, disassembly, and inspection protocols, covering critical measurements like piston-to-cylinder clearance and valve train specifications. Fuel system sections outline adjustment parameters for the carburetor, throttle cables, and speed control settings. Steering, brake, and rear suspension segments break down the removal and installation of the skid frame, track, idler wheels, and tie rods.
Specification Highlights
Engine maintenance data highlights specified torque values, including 20 ft-lb for the centrifugal clutch and 15 ft-lb for drive sprocket bearings. Crankshaft runout limits are defined at 0.02 mm (0.0008"), alongside valve clearance tolerances of 0.10 mm (0.004") for both intake and exhaust. The ignition system resistance for the spark plug cap is specified at 4000 to 6000 ohms. Please remember that working on snowmobile drivetrains carries inherent physical risks. Always cross-reference the exact specifications in this official OEM documentation before executing any maintenance or repairs to ensure safe and accurate shop work.
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