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1987-1999 Yamaha YFM 350 Big Bear Engine Motor Cylinder Top End Rebuild Kit

$189.99

1987-1999 Yamaha YFM 350 Big Bear Engine Motor Cylinder Top End Rebuild Kit

$189.99
Weight:
1.00 LBS
Availability:
Usually ships within 24 hours
Shipping:
Calculated at checkout
Quantity:

Out of Stock

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Product Description

New Hi-Caliber Powersports Parts

Cylinder & Top End Engine Rebuild Kit 

for the

 1987-1999 Yamaha YFM 350 Big Bear Four-Wheelers

 

 

Is your old ATV smoking or low on compression?

 

We can bring it back to life today!!

This is a Hi-Caliber Powersports Parts NEW UPGRADED ENGINE TOP END REBUILD KIT for the 1987-1999 Yamaha YFM 350 Big Bear four-wheel ATVs.  This is stock bore and a direct OEM replacement.  NO rejetting or modifications required!

Why are Hi-Caliber Powersports Parts Top End Rebuild Kits superior to other sellers?  Read below to find out more!!

 

This kit includes:

  • A NEW PROFESSIONALLY HONED CYLINDER.  Other seller's kits have a cylinder that has simply been bored and NOT finish honed.  (Ask other sellers for a close-up picture of the inside of their cylinder sleeve, and you will see what we're talking about). (Replaces OE Yamaha Cylinder #1UY-11310-03-00)
    • Why is this important?  Final honing of the cylinder creates a crosshatch pattern that gives the piston rings the correct textured surface for proper seating.  This will insure proper break-in for the rings allowing them to seat correctly which, in turn, provides a longer lasting top end rebuild.  The importance of the honing procedure cannot be over-emphasized.

 

  • A NEW STOCK SIZE 83.00MM PISTON KIT.  This includes a new stock size piston, piston rings, wrist pin and two circlips.  The stock size bore makes your rebuild hassle free with no carb jettings or modifications required. We personally measure and inspect every piston and cylinder for proper piston to wall clearance on every kit we sell.  This ensures that when you receive this kit, everything is perfectly sized, machined and ready to bolt on.
  • A NEW FULL TOP END GASKET KIT.  Unlike other sellers' kits that only offer the cylinder base and head gaskets, our kit includes the cylinder base gasket, head gasket, reed cage gasket, and the MUCH NEEDED exhaust flange gasket . 
  • A NEW OIL FILTER.  We provide a new top quality oil filter which should always be replaced any time you rebuild your top end.  You should always install a new oil filter to help insure longevity of your new top end rebuild kit. 
  • A CORRECT YAMAHA 350 Warrior NGK SPARK PLUG
  • INSTRUCTIONS FOR PROPER BREAK-IN PROCEDURES AND CYLINDER PREPARATION INSTRUCTIONS ARE INCLUDED.
  • THIS KIT IS IN STOCK AND READY TO SHIP FROM OUR FACILITY.  
  • FREE SHIPPING AND FREE HI-CALIBER POWERSPORTS PARTS AND G&H DISCOUNT ATV SUPPLY DECALS INCLUDED WITH EVERY ORDER.

 

 

Let's face it. All top end rebuild kits are not equal.  When it comes to machining, you get what you pay for.  We invest the time in every cylinder that we sell to provide only the highest quality workmanship to very strict tolerances making our machine work second to none. The cylinder is precisely matched with a piston kit that includes the correct piston, piston rings, piston pin and circlips. We also offer repair manuals as well. These will walk you through every step of the disassembly and rebuild and also include tolerances, torque specs etc, so be sure to check it out.

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