GY6 Engine, 175cc (plus your choice of $100 FREE parts)
PROMOTION - $100 of free parts
Choose up to $100 worth parts in stock FOR FREE! We will install your chosen parts into the new engine and it will arrive ready to bolt in!
EXCLUDED ITEMS: Hammerhead Performance Exhausts, Mikuni VM26-606 carburetors, and compatibility kits are NOT eligible for this promo.
TO CLAIM YOUR $50 OF FREE ITEMS
After checkout, message us using the "Contact Us" form to let us know which parts you would like. Promo parts must be in-stock items.
Important! Read this listing fully
We don't accept returns on engines, so read this listing entirely! All frequently asked questions are answered here. If you have any additional questions please let us know before ordering.
Does your model have internal reverse?
This engine will work, but if you have an internal reverse engine, you will need a compatibility kit. Contact us for more information *before* ordering.
Is this you rolling back down the hill?
Get the power you need!
The clip above shows hill climbing ability of our flagship 184cc GY6 engine (stroked, big bore, and high compression). (This is NOT the same engine being sold in this listing) The purpose of this comparison is to showcase our ability to radically (and reliably) improve the performance of the GY6 engine. The 175cc will make it up this same hill, unlike the 150cc.
More CC means More Power
Read our article on how displacement relates to more power.
How big bore kits & strokers work
Professionally Machined Big Bore Prep
Guaranteed true 175cc
Don't be tricked by "
Large valves for higher top-end powerArrives with Large Valves Installed
The large 27mm/24mm valves allow the engine to breathe better at high RPM, allowing for higher top speeds. This is a very noticeable improvement if your original engine came with the smaller 24/23 valves.
8-pole charging upgradeAlso includes STAGE 1 Electrical Upgrade
This engine comes from the factory with our S1 Electrical package, which generates more electrical power for lighting and charging the battery more rapidly.
Note: This engine comes with the non-reverse transmission shaft. If you have a buggy with reverse, add a reverse transmission shaft to your order and we'll install free )
Light up the trails!
The high output stator allows you to add extra lights and accessories.
Kick-Start Internals Added
Depending on which frame you have, you may be able to use the kickstart internals installed on this engine if there is enough frame clearance. Ask us about our kickstart retrofit kit which comes with the muffler mount and kickstart lever needed to make this function.
Our engines come with debris blocker on the inlet of the CVT, instead of the original boot shown in the picture. The original boot wasn't designed for dusty conditions and clogs quickly. This has (in our experience in speaking with many owners) lead to prematurely failed clutches and flat spotted rollers due to heat build up. Also, this engine does come with an intake inlet manifold, although none is shown in the picture.
If you have reverse: This engine comes with the short transmission shaft common on Yerf Dog and Crossfire 150s. If you have reverse you'll need to install the Reverse Output Shaft into the transmission. You could use the shaft from your original engine or buy a new one Reverse Shaft.
It's also a good idea to grab a couple exhaust gaskets for the install.
This engine will fit nearly every buggy and ATV that already has a GY6 engine installed. This will replace SUNL and ROKETA engines as well.
Engine is shipped DRY with no oil. Be sure to add 750ml of 10w40 to the crankcase and 120ml of 80w90 to the gearcase before starting.
Starter, stator, and intake manifold arrive bolted to engine. CVT transmission is fully assembled and cover installed. All final transmission components are assembled and cover installed. All drain bolts and filter are included. Valve cover installed.
Nothing more comes with the engine than what makes it a fully assembled self-contained unit with no oil leaks or covers missing, etc. Carburetor, exhaust, ignition, and related pats are not part of the self-contained engine unit and are not included. Each of these are available separately.
Remember to adjust valves after break-in period.
These engines a built in low volume and tested before shipping. Delivery lead time is approximately 2-3 weeks after ordering.
No returns on engines.
Please do not return your engine. It will be refused and returned to you.
Engine is shipped DRY with no oil.
Be sure to add 750ml of 10w40 to the crankcase and 120ml of 80w90 to the gearcase before starting.
If you have reverse
This engine comes with the short transmission shaft common on Yerf Dog and Crossfire 150s. If you have reverse you'll need to install the Reverse Output Shaft into the transmission. You could use the shaft from your original engine or buy a new one Reverse Shaft.
Everything under the engine's covers and plastics is included and installed, this is a complete unit. Starter, stator, and intake manifold arrive bolted to engine. CVT transmission is fully assembled and cover installed. All transmission components are assembled and cover installed. All drain bolts and internal oil screen are installed. Valve cover installed.
Carburetor, exhaust, ignition components are all sold separately.
Remember to adjust valves after break-in period.
Complete Engine & Transmission
62mm Big Bore (+5mm)
STAGE 1 Electrical System
STAGE 1 Transmission
Internal reverse karts must use support kit
- Item #360
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