2002-2004 Triumph Daytona 955i / Speed Triple Service Manual

Complete factory service documentation for both Daytona 955i and Speed Triple motorcycles from 2002 onwards. Covers engine rebuilds, transmission service, and electrical diagnostics. Factory part number 3850595.

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Triumph Models Covered & Key Technical Specifications

Models: Triumph Daytona 955i, Triumph Speed Triple
Sub-models / Variants: Twin Sided Swinging Arm, Single Sided Swinging Arm, California models
Build Years: 2002–2004
Serial Numbers: VIN 144667 (Speed Triple split), VIN 144668 (Speed Triple split)
Technical Data:

  • Engine configuration: 3 Cylinder 12 Valve DOHC Transverse In-line
  • Engine displacement: 955 cc
  • Max Power (Daytona): 149 PS @ 10700 RPM
  • Max Power (Speed Triple): 120 PS @ 9100 RPM
  • Max Torque: 100 Nm @ 5100 RPM (Speed Triple), 100 Nm @ 8200 RPM (Daytona)
  • Compression Ratio: 12.0:1
  • Transmission: 6 Speed Constant Mesh
  • Cooling System Capacity: 2.8 Liters
  • Battery Type: GS GTX14-BS, 12V 12 Amp hour
  • Spark Plug: NGK-CR9EK (0.7 mm gap)
Technical Specifications
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Document Number / Seller:
24243 / Emily Thomas
File Size:
16.41 MB
File Type:
PDF
Language:
English
Pages:
410
Printable:
Yes
Category:
Motorbike
Last updated / verified
Jun 16, 2025

Triumph Manual Features & Content Preview

Triumph Daytona 955i & Speed Triple 2002–2004 Service Documentation

  • Built for owners and workshops servicing the 2002–2004 Triumph Daytona 955i and Speed Triple, including both twin-sided and single-sided swinging arm configurations
  • Official Triumph publication P/N 3850595, issue 2, dated July 2003
  • Contains 8 exploded-view diagrams of the cylinder head and clutch, 5 system-specific torque-wrench tables, and detailed maintenance schedules
  • Downloads to your account within seconds of checkout
  • File link appears in your order confirmation straight away
  • Page spreads stay legible when printed at original size
  • Indexed PDF search covers every chapter and appendix
  • This 2003 second edition is the primary reference for the 2002–2004 model cycle, providing the most up-to-date engine management and transmission specs at the time of its release

Technical Scope and Documentation

This Triumph motorcycle service publication provides detailed mechanical information for the Daytona 955i and Speed Triple from the 2002 model year onwards. The text documents engine disassembly and assembly, clutch maintenance, balancer shaft installation, and cooling system requirements. It also details the specific engine management, electrical, and suspension data required for the 955 cc inline-three engine. The document is structured to facilitate maintenance for both trained technicians and owners performing their own service work.

Specification Highlights

Engine cooling system capacity for both models is documented at 2.8 liters. Valve clearance for the intake is listed at 0.10–0.20 mm in the cylinder head specification table. Cylinder head bolt torque values are specified in a multi-stage sequence, with final-stage angles of 90° specified in the engine assembly data. what an OEM service publication covers is detailed throughout the sections for the transmission, brakes, and electrical system.

Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions.

An official 410-page Triumph OEM workshop manual covering the 2002–2004 Daytona 955i and Speed Triple, documenting engine, chassis, electrical, and fuel-injection specifications for these iconic triple-cylinder builds.

Manual FAQ, Purchase & Download Details

Is the Triumph Daytona 955i and Speed Triple Service Manual available in a PDF format for digital access? keyboard_arrow_down

Document is provided as a downloadable PDF file, which is designed for reference use on various electronic devices.

Does the service manual cover specific engine variants for the 2002-2004 Triumph Daytona 955i and Speed Triple models? keyboard_arrow_down

Manual covers both the Daytona 955i and Speed Triple engine configurations, detailing technical data and specifications for both models from the 2002 model year onwards.

Are tightening torque specifications for the cylinder head area and other major assemblies included in the manual? keyboard_arrow_down

Manual contains dedicated sections for torque wrench settings, which list values for the cylinder head, clutch, crankcase, and other major engine components.

Do the technical sections within the manual include exploded views for parts identification? keyboard_arrow_down

Yes, the manual includes various exploded view diagrams throughout the chapters to illustrate the assembly and organization of components such as the cylinder head, clutch, and crankshaft drive systems.

Does the manual provide reference values for engine maintenance such as valve clearances and oil capacities? keyboard_arrow_down

Technical specification tables provided in the manual list reference ranges for valve clearances and oil system capacities, including dry and wet fill volumes.

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