For Yamaha 09-800 Piston Kit Bravo BR250 Snowmobile 1982-2011 8R4-11631-00-96

For Yamaha 09-800 Piston Kit Bravo BR250 Snowmobile 1982-2011 8R4-11631-00-96

Description

Restore optimal cylinder compression, starting reliability, and engine power on your Yamaha Bravo 250 utility snowmobile with this premium top-end piston assembly. Designed as a direct drop-in replacement for the legendary single-cylinder 250cc engine platform, this kit features high-silicon cast aluminum construction engineered to withstand continuous air-cooled thermal loads and prevent hot-spot scoring.

Item Specifications

  • Part Number: 09-800
  • Cross-Reference Numbers: SPI 09-800, Parts Unlimited 09-800
  • OEM Part Number Match: 8R4-11631-00-96, 8R4-11631-00
  • Sizing: 70.00 mm (Standard Bore / STD)
  • Product Name: Engine Piston Assembly Kit
  • Piston Material: Cast Hypereutectic Aluminum Alloy
  • Engine Platform: Yamaha 246cc Single-Cylinder Air-Cooled 2-Stroke

Kit Contents

Each individual kit contains hardware to service one (1) cylinder:

  • 1x 70.00 mm Standard Bore Piston
  • 1x Set of High-Performance Piston Rings
  • 1x Hardened Wrist Pin (Piston Pin)
  • 2x Heavy-Duty Circlips (Wrist Pin Retaining Clips)

Fitment:

1982 BR250F - Crankshaft - Piston Br250f - G

1983 BR250G - Crankshaft - Piston Br250f - G

1984 BRAVO (BR250H) - Crankshaft - Piston

1985 BRAVO (BR250J) - Crankshaft - Piston

1986 BRAVO (BR250K) - Crankshaft - Piston

1987 BRAVO (BR250L) - Crankshaft - Piston

1987 BRAVO T (LONG TRACK) (BR250TL) - Crankshaft-Piston

1988 BRAVO (BR250M) - Crankshaft - Piston

1988 BRAVO T (LONG TRACK) (BR250TM) - Crankshaft-Piston

1989 BRAVO (BR250N) - Crankshaft - Piston

1989 BRAVO T (LONG TRACK) (BR250TN) - Crankshaft - Piston

1990 BRAVO (BR250P) - Crankshaft - Piston

1990 BRAVO LT (LONG TRACK) (BR250TP) - Crankshaft-Piston

1991 BRAVO LT (LONG TRACK) (BR250TR) - Crankshaft-Piston

1992 BRAVO (BR250S) - Crankshaft - Piston

1992 BRAVO T (LONG TRACK) (BR250TS) - Crankshaft-Piston

1993 BRAVO LT (LONG TRACK) (BR250TT) - Crankshaft - Piston

1994 BRAVO LT (BR250TU) - Crankshaft - Piston

1995 BRAVO LT (BR250TV) - Crankshaft Piston

1997 BRAVO LT (BR250TA) - Crankshaft Piston

1998 BRAVO LT (BR250TB) - Crankshaft Piston

1999 BRAVO LT (BR250TC) - Crankshaft Piston

2000 BRAVO LT (BR250TD) - Crankshaft Piston

2001 BR250TF - Crankshaft. Piston

2006 BRAVO (BR250TL1) - Crankshaft Piston

2007 BRAVO (BR250TW) - Crankshaft Piston

2008 BRAVO T (Alaska only) (BR250TX) - Crankshaft Piston

2009 BRAVO T (BR250TY) - Crankshaft Piston

2010 BRAVO T (BR250TZ) - Crankshaft & Piston

2011 BRAVO 250 (BR250TA1) - Crankshaft Piston

Bore Verification: Standard bore size is 70.00 mm. Always measure cylinder walls with a dial bore gauge prior to reassembly to ensure cylinders do not require oversize pistons (.010" / .020" or 70.25mm / 70.50mm) due to deep scoring or previous cylinder sleeve wear.

** We offer fast and free shipping worldwide through FedEx, DHL, EMS, and standard postal services.

SAFETY NOTICE & LEGAL DISCLAIMER:
1. Mandatory Professional Installation: This is a high-performance mechanical component. For your safety, this product MUST be installed by a certified professional technician. Improper installation may result in catastrophic mechanical failure, loss of vehicle control, and serious or life-threatening risks.
2. Assumption of Risk: Operating power sports equipment involves inherent dangers. By purchasing this product, the user acknowledges and assumes all risks of personal injury or property damage. Our company is not liable for any direct or indirect damages arising from improper use, modification, or unauthorized installation.
3. Compatibility Statement: Manufacturer names and OEM part numbers are used for identification and compatibility purposes only. Our products are independent aftermarket replacement parts and are not affiliated with the original equipment manufacturers.

 

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