Skip to content
OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV
OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV

Banshee 421 Serval Complete Rebuilt Motor Engine Rebuild Kit 4 mil Cub Cylinder

by BPRATV
Sold out
Original price $4,999.99
Original price $4,999.99 - Original price $4,999.99
Original price $4,999.99
Current price $4,999.88
$4,999.88 - $4,999.88
Current price $4,999.88

FITS ALL YAMAHA BANSHEE MODELS AND YEARS!!


ADD 80hp+BIG TIME CUB POWER!!


  • 421cc (68mm x 58mm) cylinder plated (porting available)
  • Wiseco 573 series pro lite forged pistons
  • Wiseco hi-temp rings, DLC-coated pins, clips
  • Billet Cool Head
  • Cool head studs and o rings
  • 24cc big bore domes - these are pump gas 18-23cc available
  • Hotrods +4mm crank with rods trued, welded, assembled
  • TZ and Maxload bearings
  • 35mm PWK carbs
  • Billet intake manifolds with boots
  • K&N style pod filters
  • Filter outerwears
  • Terrycable throttle cable
  • Wrist pin bearings
  • Cometic .020" Cheetah Cub base gasket
  • Stud extenders
  • Water Jacket plugs
  • Complete gasket kit
  • Complete crankcase oil seal kit
  • Billet clutch basket
  • HD clutch basket cushions
  • Clutch kit - fiber and steel plates, springs
  • Clutch pusher with pancake bearing
  • Clutch lock up - LOCK UP ONLY NO COVER
  • Lightened flywheel
  • V-Force 4 reeds
  • NGK spark plugs
  • Water pump bearing and seal

WE ARE AN AUTHORIZED CP INDUSTRIES DISTRIBUTOR AND WE STOCK MORE CHEETAH CUB CYLINDERS AND PARTS THAN ANYONE! 

This kit uses a +4mm (115mm rod) stroker crank.  Everything is brand new.  No case machining is required.  Original manufacturer's warranty applies*.



Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare