155cc, liquid-cooled, 4-stroke, SOHC, 4-valve with Variable Valve Actuation (VVA). Bore x Stroke: 58.0 mm × 58.7 mm. Compression Ratio: 11.6:1. Fuel System: Electronic Fuel Injection (FI). Clutch: Wet, multi-plate Assist & Slipper clutch. Chassis & Suspension Front Suspension: Upside-down (USD) telescopic forks. Rear Suspension: Link-type Monoshock. Brakes: Hydraulic single discs front and rear. Key Sections Inside the Service Manual
Yamalube 4 stroke motor oil (10W-40 API SG or higher, JASO MA) NGK / MR8E9 Spark Plug Gap 0.8–0.9 mm Coolant Capacity ~0.49 Liters (Radiator & Engine) Drive Chain Slack 25.0–35.0 mm Tips for Using a Digital PDF Manual in the Workshop
Press Ctrl + F (Windows) or Cmd + F (Mac) to instantly jump to keywords like "Torque," "Oil," or "Fuse." Yamaha Xsr 155 Service Manual Pdf
You spent $3,500+ on that beautiful XSR 155. Don't let a $12 service manual be the reason you ruin a cylinder head or crack a crankcase.
Detailed teardown instructions for the engine, chassis, and electrical systems. Fuel System: Electronic Fuel Injection (FI)
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A standard factory manual for the XSR 155 (which shares its core liquid-cooled 155cc VVA engine platform with the MT-15 and YZF-R15 V3/V4) is divided into structured chapters: 1. General Information Rear Suspension: Link-type Monoshock
This introductory section outlines the vehicle identification number (VIN) locations, engine serial numbers, and general dimensions. It also lists all fluid capacities and generic torque values for standard fasteners. 2. Periodic Maintenance
This comprehensive guide covers everything you need to know about factory workshop manuals, essential maintenance schedules, and torque specifications for your XSR155. Why You Need the Official Factory Service Manual
The XSR 155 shares its core engine platform with the Yamaha YZF-R15 V3 and MT-15. However, always ensure your manual matches the specific bodywork, wiring loom, and chassis layout of your exact XSR production year.
Whether you are a seasoned mechanic or a passionate new rider, the service manual will guide you through a logical workflow. A typical service might include:
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