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Yamaha YZ250 1999-2001 Service Manual
Yamaha YZ250 1999-2001 Service Manual
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1999-2001 Yamaha YZ250 Service / Repair / Workshop Manual
Instant download after purchase, in PDF form, NOT a physical book.
This manual contains 578 pages in English Language, it is the only manual you will require to maintain, repair and service your Yamaha YZ250.
Sample pages and table of contents can be seen in the third product picture, please make sure you are happy with the quality of the manuals before purchasing.
Features Chapters: general information, specifications, regular inspection and adjustments, engine, chassis, electrical, tuning
Suits Models from 1999, 2000, 2001
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YZ250 (1999-2001): "Yamaha Finally Got Sick of Being the Opposite of Fast" — And Tossed the Old Motor Entirely
Dirt Bike Magazine's own retrospective on this exact model year doesn't soften the backstory: by 1999 Yamaha had grown tired of trailing the competition, and the old motor was entirely tossed out. Wikipedia's own confirmed technical account details exactly what replaced it — the bore was reduced to 66.4mm and the stroke lengthened to 72mm, producing a genuine 249cc displacement through a completely reworked bottom end, making 1999 the first year of the fundamental engine architecture that Yamaha refined in small ways for years afterward.
Power comes from a 249cc water-cooled, reed-valve two-stroke single, with a mechanical (rather than servo-driven) YPVS exhaust power valve for a broader spread of usable power, delivering drive through a 5-speed constant-mesh transmission with chain final drive. Real owner reviews of this exact era consistently describe the character as aggressive, sharp-handling, and thrilling — genuine two-stroke motocross power in a durable, race-proven chassis.
Suspension across this range came from Kayaba, with front and rear hydraulic disc brakes standard on every YZ250 built since this 1999 relaunch. Dirt Bike Magazine's own account confirms the real-world racing pedigree earned during exactly this era: Jeremy McGrath won Supercross titles on a YZ250 in 1998, 1999, and 2000, with fellow Yamaha rider David Vuillemin as his closest rival throughout that same stretch — meaning this 1999-2001 configuration is genuinely the machine behind some of the model's most storied competitive success.
Real owner reviews confirm the platform's honest trade-off: exhilarating, instant two-stroke power balanced against the genuine maintenance demands of the format, with top-end rebuilds (piston, rings, and cylinder) a normal and expected part of ownership rather than a sign of anything wrong.
This factory service manual covers the procedures, torque specs, and diagrams needed to keep a 1999-2001 YZ250's two-stroke engine and driveline running the way it was built to.
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