1999-2007 Yamaha TT-R90EW Service Manual

Service manual for the 1999-2007 Yamaha TT-R90EW, detailing maintenance and repair procedures. Includes wiring diagrams and technical specifications. Part Number LIT-11616-20-09.

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Document Details

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Document Number / Seller:
30009 / Kenneth Campbell
File Size:
64.46 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Motorbike
Last updated / verified
Feb 4, 2026

Models Covered & Key Technical Specifications

Yamaha TT-R90EW (LIT-11616-20-09) – 1999-2007 Service Manual | Motorcycle Manual-Nexus.

  • Documented RPM Specs: 1400–1600 r/min defines the standard engine idling speed Framework.
  • Technical Weight Data: 67.0 kg (148 lb) is the operating weight with oil and fuel Configuration.
  • Universal Specifications: 89.0 cm³ (5.43 cu.in) represents the engine displacement Capacity.
  • Maximum Dimensions: 1525 mm (60.0 in) signifies the overall vehicle length Benchmarks.
  • System Carburetor Specs: VM16SH × 1 identifies the carburetor type and quantity Parameters.
  • Prescribed Tire Pressure: 100 kPa (15 psi) corresponds to the cold tire pressure Baseline.

Professional Workshop Service Manual & Technical Specifications

Yamaha TT-R90EW (1999-2007) Service Manual: Manual-Nexus

Documentation-Type: Service Manual // Documentation-Type: Bike / TT-R90EW Logic // Documentation-Type: Repair and Maintenance.

Technical Specifications

Assessment-Element Value Calibration-Spec
Engine Type Air cooled 4-stroke, SOHC
Displacement 89.0 cm³ (5.43 cu.in)
Engine Oil Quantity 1.00 L (1.06 US qt)
Standard Compression Pressure 1000 kPa/1000 r/min
Float Height 15.5–16.5 mm
Front Brake Lever Free Play 10.0–20.0 mm
Drive Chain Slack 40.0–53.0 mm
Front Fork Oil Level 185.0 mm

Table of Contents Summary

The documentation provides guidance on:

  • General Information
  • Specifications
  • Periodic Checks and Adjustments
  • Chassis
  • Engine

    Systems and Procedures

    This manual details various systems of the Yamaha TT-R90EW, including the fuel system and electrical components. Procedures cover checks, adjustments, and component-specific maintenance. Effectively requiring adherence to specifications ensures optimal performance and longevity.

FAQ

Reference the **specified** special tool requirements for front fork service? keyboard_arrow_down

90890-01294, Damping rod holder set YM-01300, and T-handle 90890-01326 are among the special tools listed for front fork service on page 4-22.

What are the **essential** electrical values for the CDI magneto? keyboard_arrow_down

The CDI magneto shows a pickup coil resistance of 248–372 Ω at 20 °C (68 °F), a source coil resistance of 0.69–1.03 kΩ at 20 °C (68 °F), and a CDI unit model of 5HN/YAMAHA.

Specify the **correct** valve clearance settings for the TT-R90EW? keyboard_arrow_down

0.05–0.09 mm (0.0020–0.0035 in) for the intake valve and 0.08–0.12 mm (0.0032–0.0047 in) for the exhaust valve are the specified cold valve clearances, detailed on page 5-16.

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Reviews (2)

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Rated 4 out of 5 stars
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The service manual for my Yamaha TT-R90E has been a lifesaver. The troubleshooting section helped me fix an issue quickly. Plus, the download process was smooth, and I received the link in my email almost instantly! Highly recommend!