2005 Hyosung GV650 Aquila Service Manual

Complete factory service documentation for the 647cc liquid-cooled V-twin. Covers valve adjustment (0.1-0.2mm intake), ignition timing, and all drivetrain specifications. PN 99000-51210.

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Hyosung Models Covered & Key Technical Specifications

Models: Hyosung Aquila GV650
Build Years: 2005
Serial Numbers: As identified in the manual, frames are stamped on the steering head tube, and engine numbers are located on the left downside of the crankcase assembly.
Technical Data:

  • Engine: Four-stroke, DOHC, liquid-cooled V-2
  • Piston displacement: 647 cm³ (39.5 in³)
  • Compression pressure (Standard): 14 kg/cm² (198 psi) at 500 rpm
  • Fuel capacity: 16.0 L (4.2 US gal)
  • Engine oil capacity (with filter): 3,200 ml
  • Spark plug: CR8E (Standard)
  • Cooling system capacity: 1.6 L (50:50 mixture)
Technical Specifications
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Document Number / Seller:
25244 / Cynthia Gomez
File Size:
38.75 MB
File Type:
PDF
Language:
English
Pages:
223
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Jan 5, 2026

Hyosung Manual Features & Content Preview

Technical Scope and Service Data for the 2005 Hyosung GV650 Aquila

  • Covers the 2005 Hyosung GV650 Aquila V-2 motorcycle, documenting specific service parameters for the liquid-cooled DOHC engine and chassis components
  • Official OEM publication, Document P/N 99000-51210, 2005 first edition
  • Contains 223 pages of technical specifications, exploded-view diagrams, maintenance intervals, and torque reference tables
  • File link appears in your order confirmation straight away
  • OCR text layer lets you jump to a torque spec by keyword
  • This 2005 original edition provides the core specifications and assembly tolerances necessary for maintaining the GV650 engine configuration and belt-drive system

Engine and Maintenance Overview

This 2005 Hyosung GV650 Aquila service manual provides documentation for the maintenance and mechanical overhaul of the Aquila series motorcycle. The content spans general information, maintenance schedules, engine disassembly, fuel system architecture, liquid cooling requirements, electrical troubleshooting, and chassis adjustments. Each chapter offers descriptive details on identifying component wear, with specific sections dedicated to valve clearance, cam chain tensioner operation, and piston-to-cylinder clearance benchmarks.

Specification Highlights

Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage values specified at 40–45 Nm in the assembly data. The cooling system for the 2005 Hyosung GV650 is documented with a total capacity of 1.6 liters. Spark plug gap is specified at 0.7–0.8 mm in the maintenance reference table. This 223-page Hyosung publication acts as the primary service reference for the 2005 Hyosung GV650 Aquila, offering comprehensive torque settings, fluid capacities, and assembly tolerances for the 647cc V-2 engine build.

Manual FAQ, Purchase & Download Details

Does this Hyosung GV650 Aquila service manual come in a digital PDF format for immediate download? keyboard_arrow_down

Product is provided as a downloadable PDF document that is compatible with various electronic devices for convenient reference.

What major vehicle systems are detailed within the manual sections? keyboard_arrow_down

Document contains comprehensive chapters covering the engine, fuel system, cooling system, electrical system, and chassis. These sections include technical content such as specifications, component illustrations, and maintenance protocols.

Which engine chapters include technical data for the valve clearance, bore, stroke, and compression specifications? keyboard_arrow_down

Engine and periodic maintenance chapters contain specification tables and reference data for valve clearance, piston displacement, and compression pressure standards.

Can the manual be used to verify the official publication markers and model year coverage? keyboard_arrow_down

Cover page and foreword section include the publication information and identify the document as the official 2005 Hyosung GV650 Aquila service manual. It contains group index listings that map out the various service categories for this specific motorcycle. Users can rely on these document-specific cues to confirm the manual matches their model requirements.

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