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New Full Gasket Kit Compatible With 1986-1987 Yamaha Yz250 2-Stroke 246Cc Liquid-Cooled Ypvs Yamaha

P400485850253/1A1
YAMAHA MODEL APPLICATIONS:
• Yamaha YZ250 2-Stroke Motocross (1986)
• Yamaha YZ250 2-Stroke Motocross (1987)

SPECIFICATIONS:
• Type: Full / Complete Engine Gasket Kit with Oil Seals
• Application: Yamaha YZ250 1986-1987 2-Stroke MX Engine Rebuild
• Engine Type: Yamaha 2-Stroke Single-Cylinder YPVS
• Displacement: 246cc
• Cooling: Liquid-Cooled
• Bore: 68mm (Stock)
• Stroke: 68mm (Square)
• Valvetrain: YPVS (Yamaha Power Valve System)
• Intake: Reed Valve
• Fuel: Carbureted (Mikuni TM38SS)
• Transmission: 6-Speed Manual
• Power: ~50 HP
• Generation: 3rd-Generation YZ250 Platform (1986-1987 ONLY)
• Fitment: Stock Bore — Complete 2-Stroke Engine Overhaul
• Material: Premium Non-Asbestos Gasket Material
• Includes: Head, Base, Crankcase, Water Pump, Exhaust, YPVS, Reed Valve, Clutch, Ignition, Oil Seals
• Condition: New
• Critical: NOT for 1988+ YZ250 platforms (different kits required)

APPLICATIONS SUMMARY:
• Yamaha YZ250 2-Stroke Motocross MX Race Bike (1986-1987 ONLY)
• 3rd-Generation YPVS Platform — Specific to These 2 Model Years

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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Description

YAMAHA YZ250 MOTOCROSS (1986-1987) — 246cc Single-Cylinder 2-Stroke YPVS Liquid-Cooled:

YAMAHA YZ250 2-STROKE MX MOTOCROSS BIKE:
• Yamaha YZ250 2-Stroke Motocross Race Bike (1986)
• Yamaha YZ250 2-Stroke Motocross Race Bike (1987)

ENGINE SPECIFICATIONS:
• Engine: Yamaha YZ250 2-Stroke Single-Cylinder
• Displacement: 246cc
• Bore x Stroke: 68mm x 68mm (Square)
• Cooling: Liquid-Cooled
• Valvetrain: YPVS (Yamaha Power Valve System) Exhaust Power Valve
• Fuel: Carbureted (Mikuni TM38SS)
• Intake: Reed Valve
• Transmission: 6-Speed Manual
• Power: ~50 HP at ~8000 RPM
• Application: Pure Motocross / Off-Road Racing

KIT CONTENTS — Complete 2-Stroke Engine Gasket Set with Oil Seals:
• Cylinder Head Gasket
• Cylinder Base Gasket
• Crankcase Side Cover Gaskets (Stator and Clutch)
• Water Pump Gaskets
• Exhaust Manifold / YPVS Power Valve Gaskets
• Reed Valve / Intake Manifold Gaskets
• Clutch Cover Gasket
• Ignition Cover Gasket
• Engine Oil Seals
• Assorted O-Rings for Complete Engine Rebuild

CRITICAL FITMENT NOTE: This kit is specifically for the 1986-1987 YZ250 generation only. The YZ250 went through 6+ engine redesigns over its production run. NOT compatible with: 1985-earlier YZ250, 1988-1996 YZ250 (4th-gen), 1997-1998 YZ250 (5th-gen), or 1999-present YZ250 (6th-gen). Each generation requires a different Athena kit.

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  • Item Requires Shipping
  • 2.0 lbs.
  • W10.0000” x H6.0000” x L14.0000”
  • Free Shipping!

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