Custom PK80M 66cc Engine Kit

$340.00

OC PK80 (M)

Need a replacement engine or a complete kit for your motorized bike? We have several options available in true 66cc configuration and offer amazing deals on the best custom modified PK80 engines.

All of our engines are hand assembled one at a time and then carefully packaged to insure your purchase is of the best quality right out of the box.

This custom 66cc/PK80 engine comes with a FREE full basic motorized bicycle kit with several upgraded items.
Shipping is also FREE USA and Territories – International shipping available.

True PK80 Engine Kit – Modified by Ozark Cruisers
Dead zero fully open transfer ports
Fully open intake port @ TDC
40mm Stroke with a tight squish band
Balanced crank / Laterally Corrected / High RPM bearings
Lightweight connecting rod
Malossi caged wrist bearing
Type “A” Polished and modified piston
10mm Grunion Pin with solid locks
Genuine “Fred Head” – Made in America
Case Matched and Decked – Modified Cylinder
32mm Intake Port – Enlarge / Shaped / Roughed Up
42mm Exhaust Port – Enlarged / Shaped / Polished (OC Exclusive!)
8mm Cylinder Head Studs – Hardened Bolts
6mm Front Mounting Bolts – Hardened Bolts (Sometimes 8mm)
40mm Front Mounting Boss – Comes with adapter hardware
8.8 Black Bolt Upgrade throughout the engine
NT Style Speed Carburetor with throttle cable
High strength 415H roller chain w/ master link.
Chain tensioner with quality bolts, nuts, locks

2 in stock

Description

OC PK80 (M)

Our custom built performance 66cc engines are built to Stage 1 with premium C3/P5 high rpm crank bearings, come with a balanced and laterally corrected 1 piece crank that includes caged rod bearings with additional oiling slots and setup on a lightweight 40mm con rod. The piston also has additional oiling and comes polished to help prevent deposit build up. The transfer ports are also matched and the cylinder is flow ported by hand to give the best powerband through all ranges. A smooth and reliable street screamer that is also comfortable just cruising around.

The Fred Head is one of the best choices on the market for cooling the engine and an excellent addition to any motor. We chose this head for it’s cooling properties, quality of manufacture, finish and very stylish look. This product is also made in America by Fred and is the original high compression 66cc head, why not use the best. We use a super clean PK80 Engine Kit as our base build and preform all modifications by hand one at a time to provide the very best 66cc engines at a fair price to our friends and clients. Everything is double checked prior to shipping and frankly we want you to be well pleased with your purchase.

This custom 66cc/PK80 engine comes with a FREE full basic motorized bicycle kit with several upgraded items.
Shipping is also FREE USA and Territories – International shipping is available and units can be sold where restricted on a research and educational bases.

True PK80 Engine Kit – Modified by Ozark Cruisers
Dead zero fully open transfer ports
Fully open intake port @ TDC
40mm Stroke with a tight squish band
Balanced crank / Laterally Corrected / High RPM bearings
Lightweight connecting rod
Malossi caged wrist bearing
Type “A” Polished and modified piston
10mm Grunion Pin with solid locks
Genuine “Fred Head” – Made in America
Case Matched and Decked – Modified Cylinder
32mm Intake Port – Enlarge / Shaped / Roughed Up
42mm Exhaust Port – Enlarged / Shaped / Polished (OC Exclusive!)
8mm Cylinder Head Studs – Hardened Bolts
6mm Front Mounting Bolts – Hardened Bolts (Sometimes 8mm)
40mm Front Mounting Boss – Comes with adapter hardware
8.8 Black Bolt Upgrade throughout the engine
NT Style Speed Carburetor with throttle cable
High strength 415H roller chain w/ master link.
Chain tensioner with quality bolts, nuts, locks

Dellorto 16:16 carburetor, Arbeo 15:15 carburetor, Rutong Clone carburetor, shorty CNC intake and CNC exhaust header are available for this application.

Comes with a stock NT Speed carburetor and a standard stock engine kit – If you have any questions please ask.

We would be happy to build your motor or you may custom order if you have a specific build in mind. We also do custom polishing and buffing as well as sell a few upgrade and performance parts. If you don’t see it ask, we have lots of connections and not every thing is listed on our website. Consultation is always free and encouraged. Cheers!