Yamaha Blaster Parts and Professional Engine Building
From individual replacement parts to a professionally machined and completely assembled engine, Ken OConnor Racing provides the products, machining and experience needed to build a reliable Yamaha YFS200 Blaster.
Professional engine machine shop • Work performed on-site • International service • Call 860-230-5003
More Than a Blaster Parts Website
Many websites can sell Yamaha Blaster parts. Ken OConnor Racing can inspect, measure, machine, rebuild and test the engine those parts go into. KOR combines a professional engine machine shop with The Blaster Store, giving customers one knowledgeable source for Yamaha YFS200 parts, cylinder work, crankshaft rebuilding, porting and complete engine assembly.
Shop yamaha blaster parts
Build your engine
- Cylinder Boring
- Crankshaft rebuilding
- Cylinder Porting
- Case Trenching
- Bearing installation
- Head Machining
- Cylinder Sleeves
- Engine Assembly
Yamaha Blaster Engine Work Performed by an Actual Machine Shop
Complete Yamaha Blaster Engine Rebuilding
Ken OConnor Racing basic Yamaha Blaster engine rebuild includes cylinder boring, a Wossner, Wiseco, or Pro-X piston kit, crankshaft rebuilding, Koyo main bearings, Koyo balance-shaft bearings, snap rings, lock washers, gaskets and seals, new socket-head engine hardware, new JIS head and cylinder nuts, glass-beaded cases, refinished engine components, professional assembly and a final leak-down test.
Build Your Yamaha Blaster Engine
Start with the basic Ken OConnor Racing Yamaha Blaster engine rebuild, then select the performance upgrades you want.
Glass beading is included with the basic engine rebuild.
Choose a Porting Option
Additional Machine Work and Upgrades
Your Selected Build
- Basic Yamaha Blaster Engine Rebuild — $1,400
This calculator provides an estimate. Final pricing depends on inspection, parts condition and any additional repairs required. Parts not included in the selected services may be additional.
Blaster Parts Chosen by the Shop That Installs Them
KOR does not select Yamaha Blaster engine parts from a catalog alone. Components are evaluated from the perspective of the machinist and engine builder responsible for fit, clearance, durability and final performance. When a customer needs a piston, cylinder, bearing, gasket, crankshaft component or carburetor part, the recommendation is based on how that component functions inside a complete engine
Free Yamaha Blaster Technical Resources
| HOW TO | TROUBLESHOOTING | CALCULATORS |
| Yamaha Blaster Top End Replacement | Yamaha Blaster Wont Start | Yamaha Blaster Displacement Calculator |
| Leak Down Test for Yamaha Blaster | Yamaha Blaster VM26 Jetting Calculator | |
| Yamaha Blaster Torque Specifications | Yamaha Blaster Keihin 28PWK Jetting Calculator | |
| Yamaha Blaster Oil Ratio Calculator | ||
Need Professional Yamaha Blaster Engine Work?
“Use our free technical resources to plan your build or troubleshoot your Blaster. If you would rather have the work completed by an experienced full-service machine shop, Ken OConnor Racing can inspect, machine and assemble your engine completely in-house.”