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- Last added
- 2026-09-30
Featured Kawasaki manuals

Kawasaki FH601D FH641D FH680D FH721D Engine Service Manual
This Service Manual is intended for trained mechanics and owners who need detailed maintenance, repair and troubleshooting information for Kawasaki FH601D, FH641D, FH680D and FH721D engines. It includes safety warnings, tool requirements, and step‑by‑step procedures for disassembly, inspection and re‑assembly.
The manual provides complete engine specifications, periodic maintenance intervals, torque values, special tools, emission control details and troubleshooting guides for both the engine and starter motor. Reference charts and diagrams help locate parts and service procedures quickly.
Covers: Foreword · General Information · Model Identification · General Specifications · Periodic Maintenance Chart · Torque and Locking Agent
Latest Kawasaki manuals
Kawasaki FH601D FH641D FH680D FH721D Engine Service Manual
Service Manual 114 pages · 3.1 MB · ENService manual for Kawasaki FH601D, FH641D, FH680D, FH721D 4‑stroke air‑cooled V‑twin gasoline engines, with specs, maintenance charts and troubleshooting.
Which document do I need?
Service Manual
Disassembly, diagnostics and part numbers, for repair.
Questions answered in Kawasaki manuals
What is the recommended oil capacity for these engines?
The engine oil capacity is 1.6 L (1.7 US qt).
From: Kawasaki FH601D FH641D FH680D FH721D Engine Service Manual
What are the low and fast idle speeds?
Low idle speed is 1550 rpm and fast idle speed is 3600 rpm.
From: Kawasaki FH601D FH641D FH680D FH721D Engine Service Manual
