Yamaha Raptor 700 108mm Big Bore +5mm Stroker Engine Kit
💣 Max Performance 108mm +5mm Engine Rebuild Kit – Yamaha Raptor 700 (2009+)
This is it — our top-tier 108mm big bore, +5mm stroker setup for serious Yamaha Raptor 700 builds. Designed to rip, this kit combines CP forged internals, a Webcam #290 cam, and Kibblewhite valve springs. Some case machining is required to run this setup.
⚠️ Requires case work
We offer this service for $185 — call us at (541) 788-0541 for details.
✅ Fits all 2009+ Yamaha Raptor 700 models
📦 Kit Includes:
-
BPR 108mm Cylinder – Big bore, built for power
-
CP 11.5:1 Forged Piston Kit – Pump or race gas compatible
-
Piston Rings, Wrist Pin, Circlips
-
#290 Grind Webcam – With custom decomp pin
-
Kibblewhite Chrome Silicone Valve Springs
-
Titanium Retainers + Heat Treated Collars
-
Cam Bearing + Cam Chain
-
Hotrods +5mm Stroker Crankshaft with Rod
-
Crank Bearings – One comes pre-installed
-
Counter Balancer Bearings
-
Water Pump Bearing + Mechanical Seal
-
Transmission Bearings + Shift Cam Bearing
-
Aftermarket Oil Pump + Oil Pump Gear
-
Complete Gasket Kit + Big Bore MLS Head Gasket
-
Complete Seal Kit – Crankcase and top end
-
Valve Stem Seals
-
Stud Kit
-
Performance Clutch Kit – Fibers, steels, and springs
-
Stickers + Online/Phone Tech Support
🔧 Key Features:
-
Requires case work (service available for $185)
-
Runs on pump or race fuel
-
No head mods required — stock or ported head compatible
-
All parts are new in original packaging
-
Covered by manufacturer warranties
-
Backed by online and phone tech support
📦 Shipping Time:
This complete engine kit ships in 5–7 business days. Tracking sent upon shipment.
💬 Customer Support:
We’re here Monday–Friday, 7 AM to 4 PM PST, with live store chat open 24/7.
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.
Sold items are removed daily.
If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.
If you call we answer, if you text we respond, if you have a question we respond. Sometimes we sleep so it could be next morning but we will respond.
Thank you for shopping with us! We appreciate you!