1989-2009 Yamaha Bravo 250 & Bravo 250 LT Snowmobile Service Manual (P/N 88D-008101)
Yamaha Models Covered & Key Technical Specifications
Models: Yamaha Bravo 250, Yamaha Bravo 250 LT
Sub-models / Variants: BR250T, BR250TS, BR250TJ
Model Years: 1989–2009
Serial Numbers: Starting Serial Numbers: BR250TV 8BD-008101, 8BD-008101, 8BC-001101, 8Y1-000101
Technical Data:
- Engine: Air-cooled 2-stroke, single cylinder, 246 cc
- Induction: Piston valve, KEIHIN BD32-28 carburetor
- Transmission: V-belt automatic, centrifugal engagement
- Ignition Timing: 16.5° BTDC @ 3,000–5,500 r/min
- Fuel Capacity: 15 L (Main), 9.3 L (Sub)
- Spark Plug: NGK BR8HS (Gap: 0.6–0.7 mm)
- Suspension: Front leaf spring, rear slide rail
- Drive System: 12V electrical system, flywheel magneto generator
Yamaha Manual Features & Content Preview
Equip your workshop with the exact specifications needed to maintain and service the 246 cc piston-valve engine. This 182-page publication serves as the definitive reference for the 1989–2009 Yamaha Bravo 250 and Bravo 250 LT snowmobiles, including the BR250T, BR250TS, and BR250TJ variants.
- Original OEM publication P/N 88D-008101
- Contains 17 exploded-view diagrams and 6 wiring schematic variations
- Extensive torque specification tables for chassis and engine components
Engine and Chassis Documentation
When tearing down the 246 cc air-cooled engine, precise measurements are critical. The documentation outlines exact cylinder dimensions, piston-to-cylinder clearances, and crankshaft runout tolerances. You get the factory torque values necessary for securing cylinder head bolts, crankcase fasteners, and flywheel magneto installations properly. Keep in mind that working on these systems requires a solid mechanical background, and having a certified technician review your repairs is always a smart practice for safety.
Beyond the block, the manual dives into chassis and suspension setups. It covers track drive sprocket specs along with leaf spring maintenance data. Detailed cable routing diagrams help you accurately align the throttle, brake, and oil pump systems across all covered model years without the usual trial and error.
Electrical and Transmission Specifications
Electrical faults can waste hours of shop time. This manual cuts down diagnostic guesswork by providing comprehensive reference values for the 12V architecture. It maps out ignition timing charts, pickup coil resistance measurements, and voltage regulator output ranges. You will also find step-by-step CDI unit testing procedures to isolate spark-related issues quickly.
For the drivetrain, the transmission section breaks down the V-belt automatic drive. It lists engagement RPM thresholds, range-of-ratio, and spring-rate data for both the primary and secondary sheaves. Factory maintenance schedules are fully outlined to help keep these vintage Bravo sleds running at peak performance.
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