Best Polaris Powersports Engine Kits in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ESTEEM TRADERS LTD | 0.00 | ✅ | ✅ | ✅ |
Updated Ford OEM 5.4L 3V Phaser Repair Kit - Phaser Sprockets, Tensioners, Guides, Chains 18pc kit
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Han Er | 9.82 | ✅ | ✅ | ✅ |
Compatible with Honda Recon 250 1997-2020
Compatible with Honda Sportrax 250 2001-2008
Compatible with Honda TRX250X 2009-2019
Each Part is Manufactured Using the Best Materials and High Technology to Assure Long Engine Life and the Most Efficient Performance
Package:1 x Cylinder 1 x Piston Kit 1 x Piston Ring Set 1 x Gasket Kit 1 x Spark Plug
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Mishon Corporation | 9.79 | ❌ | ❌ | ❌ |
Replaces OEM Part Numbers: Arctic Cat 3301-015, 3301-016, 3301-022, 3301-294, Can-Am A12101146000, A12191117000, A13100146000, A9100107128, Polaris 0450007, 0455372, 0450802, 0450651, 0450704, 0450011
Compatible with the Polaris 2001-2003 Scrambler 90, 2001-2006 Sportsman 90, 2003-2006 Predator 90; Can-Am 2002-2006 DS90; Arctic Cat 2002-2004 90 2x4
Includes Cylinder, Piston, Piston Rings, Wristpin, Circlips, Base Gasket and Head Gasket
Also Includes Cylinder Studs/Nuts and NGK Spark Plug
Cylinder Bore and Stroke 52.00mm x 41.90mm; Cylinder Material: Steel; Cylinder Sleeve Coating: None
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Gdrasuya | 9.31 | ❌ | ❌ | ❌ |
★ 49cc mini motor air cooled racing engine capable of achieving 40mph dependant on user weight and terrain.
★ Engine is COMPELTE WITH High performance cylinder head, plug, powder coated metal pull start, air filter and 14mm carburettor.
★ Balanced crank, balanced flywheel, ported piston windows, uprated CVT transmission unit.
★ For 49CC 2 Stroke Pocket Bike, Mini Dirt Bike, ATV or Scooter.
★ USA Warehouse: CA NJ Warehouse，UPS or FED Shipping delivery 3-5 business days .Gdrasuya Customer department will reply your information within 24 hours. If you have any questions, please feel free to contact u
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| wingsmoto | 9.80 | ✅ | ✅ | ✅ |
This big bore kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.
We have 2 versions, 64mm and 69mm valve length version. Please confirm before.
Easy installation
With racing AC CDI, ignition coil and racing spark plug included
This is one of the best upgrades you can do to your 50cc Scooter
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Mishon Corporation | 9.80 | ❌ | ❌ | ❌ |
Replaces OEM Part Numbers: Yamaha 22K-11311-02-00, 22F-11351-01-00,55X-11181-00-00, C7H-SA000-00-00,55X-11610-00-00, 93450-14088-00,22K-11633-01-00, 55X-11631-00-96
Compatible with: Yamaha 1985-2001 Badger 80 YFM80, 1986-1987 Moto-4 80 YFM80, 2002-2008 Raptor 80 YFM80W YFM80R, 2005-2008 Grizzly 80 YFM80G
Includes Cylinder, Piston, Piston Rings and Wristpin and Circlips
Also included are Head Gasket, Base Gasket and an NGK Spark Plug
Cylinder Bore and Stroke 47.00mm x 45.60mm; Cylinder Material: Steel; Cylinder Sleeve Coating: None
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Comes with the following: 2 Cup seals, 2 washers, 1 boot, 1 spring, 1 o-ring kit and 2 snap rings.
Compatible with/Replacement for All Balls: 18-1007, Arrowhead: 18-1007, Western Power Sports 21-81007.
100% New aftermarket Cylinder Rebuild kit built to meet OEM specifications for Honda, Gas Gas, Kawasaki, Yamaha and more vehicles.
1-year warranty protects you after your purchase warranty protects you after your purchase protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Mishon Corporation | 9.79 | ❌ | ❌ | ❌ |
Replaces OEM Part Numbers: Yamaha 1UY-11310-03-00, 4KB-11351-00-00,93450-19095-00, 4GB-11610-00-00,1YW-11631-01-Y0, 55V-11633-00-00,1UY-11181-01-00, 5YT-11310-00-00,4WU-11310-00-00
Compatible with the 1987-1999 Yamaha Big Bear 350, 1987-1988 Yamaha Big Wheel 350, 1987-1990, 1992-1995 Yamaha Moto-4 YFM350ER, 1987-2004 Yamaha Warrior 350, 1995-2009 Yamaha Wolverine 350, 2004-2006
Includes Cylinder, Piston, Piston Rings, Wristpin, Circlips and Head Gasket
Also Includes Base Gasket and NGK Spark Plug
Cylinder Bore and Stroke 83.00mm x 64.50mm; Cylinder Material: Aluminum; Cylinder Sleeve Coating: None
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JDMSPEED Auto Parts | 9.81 | ✅ | ✅ | ✅ |
New complete high quality 40cc Big Bore Kit
Includes 1x Cylinder,2x Gaskets,1x Piston,1x Piston Pin,2x Piston Rings,1x Sleeve Bearing,2x Cir-clips,4x Head Cylinder Studs,4x Stud Nuts,1x FREE Spark Plug
Replacement For Yamaha PW50 1981-2009
Replacement For Yamaha QT50 1979-1987
Please make sure to check fitment below!!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Mishon Corporation | 9.80 | ❌ | ❌ | ❌ |
Replaces OEM Part Number: Polaris 3086753, 3086757, 3084729, 3084731, 3084148, 3084734, 3084737, 3083838, 3084167, 3084168
Compatible with Models: 1997 Big Boss 400L, 1997-2002 Scrambler 400
Compatible with Models: 1999-2002 Xplorer 400, 1997-1998 Xplorer 400L, 1997 Xpress 300, 1997 Xpress 400L
Compatible with Models: 1998 Sport 400L, 1999 Sport 400, 1997 Sportsman 400L, 2003 Trail Blazer 400
Cylinder Material: Aluminum; Cylinder Sleeve Coating: None, Cylinder Bore Size 83mm
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CDHpower | 8.40 | ✅ | ✅ | ✅ |
CDHpower New Cylinder body Iron Sleeve and Piston kit Combo
Inner Diameter of Cylinder body: 49mm; Outside Diameter of High Hole Piston kit: 49mm which is compatible with cdhpower new cylinder body
This Combo is compatible with standard 66cc/80 , but not yd100 kits
The Combo is better replacement of standard 66cc/80cc cylinder, make more power and more fun
The Package including: new cylinder, new piston kit, alum intake
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GOOFIT | 9.87 | ✅ | ✅ | ✅ |
Fit for 2 stroke 43cc 47cc 49cc 50cc engine(read description for more fitment infos)
Performance upgrade part for Chinese 47/49CC engines (Increase your HP by 2hp - 3hp over your regular engine)
Piston diameter :44 mm,piston pin length: 37 mm.please check with the size before your stock one
Warranty:We are always available to help our customers.If you are not satisfied with the order,please leave us a message.Wish you have a happy shopping experience,we are committed to providing the best service.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Power Co Ltd | 9.90 | ✅ | ✅ | ✅ |
[Fitment] This comprehensive performance kit is specifically designed to fit Honda Clone 6.5HP GX160 GX200 engines, as well as the Coleman CT200u/ CT200u Trail 200/ CT200u-b/BT200X/KT196/BK200/CT100u/CT100x/CT200u ex/CK100/RB200/SK100 and Baja Motorsports Mini Bike MB165 & MB200 (Heat, Mini Baja, Warrior). It is also compatible with the Monster Moto/Mega Moto Mega Max MM-B212MX, MMB212PRO, TrailMaster MB200-1, MB200-2, mid XRX/R.
[High-Quality Components] This upgrade kit includes a carburetor, air filter, exhaust pipe, muffler, spark plug, bolts, hex nuts, wrench, gaskets, emulsion tube, main jet, and adapter kit, all made of wear and corrosion-resistant materials. It's the perfect upgrade for your predator 212cc engine, coleman kt196 kart, providing superior performance and durability. For Harbor Freight Predator 60363 68121 68120 69727 69730 6.5HP/7HP 212cc Engine (RATO R210-III).
[Easy Installation] With all the necessary components included, this mini bike kit makes it easy to upgrade and repair your engine. The full set of accessories, including the air filter kit with adapter, exhaust pipe muffler kit, and main jet kit, bring convenience to your repair process.
[Upgrade Your Engine] Whether you're looking to upgrade your Coleman KT196 go-kart or mini bike, or add a predator 212cc turbo kit, this kit has everything you need. The predator 212 performance parts and 212 predator performance upgrades will take your engine to the next level.
[Compatibility and Return Policy] Please confirm your machine model and size before purchasing to ensure compatibility. Our 30-day return policy applies to all products, so you can shop with confidence. Whether you're looking for a predator upgrade kit, predator 212 electric start kit, a coleman ct200u performance kit, or a 212cc predator engine hemi upgrade, this kit is the perfect choice.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
FITS: 01-03 Jeep / Grand Cherokee, Wrangler, Cherokee 4.0L L6 OHV Naturally Aspirated
FITMENT NOTES: w/ Oil Pump & Timing Belt Or Timing Kit If Applicable, Master Kit
You are assured to receive a worldwide proven Master Engine Rebuild Kit quality part with OE quality fit and performance.
IMPORTANT: This Engine Kit is in STANDARD SIZE in all of its components. If you need oversized Pistons, Piston Rings, Rod Bearings or Main Bearings, send us a message prior ordering, indicating the correct size you need, so our customer service team can confirm availability. If we do not receive communication from you, everything will be sent in STANDARD SIZE by default
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Topteng | 9.33 | ✅ | ✅ | ✅ |
Please confirm the part number before ordering. A complete top end kit is offered.
Engineered and Tested to Meet or Exceed Original Equipment Standards and Performance.
This kit is designed specifically for the DIY (Do It Yourself) mechanic. Cylinder is a Cast Aluminum 54.00mm Standard Bore Replacement with Steel Sleeve.
Forged Piston With 11:1 Compression Ratio. Our Gaskets are all top quality and will keep a perfect seal between all of the components.
The cylinder is cleaned, bored and honed to the specific clearances for the piston you receive in the kit. This kit includes a cylinder, piston, rings, wrist pin, circlips and top end gaskets.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WFLNHB | 9.80 | ✅ | ✅ | ✅ |
Replacement for Polaris Ranger Scrambler Sportsman Worker Big-Boss 500
Replaces Part Number: 3087221, 3087224, 3089966, 3086811, 3086200, 3085074, 3085371, 3085075, 3085655, 3087170, 3085534, 3084890, 3089256, 3090293
Cylinder bore and stroke 92.00mm x 75.00mm ( 3.62in x 2.95in)
Package contents cylinder, piston, piston rings, wristpin, circlips, chain tensioner, head gasket, etc. You will get the same as the main picture shows.
Before purchasing, please compare your original details with the product pictures to ensure that the purchased products are what you need, and look forward to bringing you a good shopping experience
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| moto1988ky | 9.89 | ✅ | ✅ | ✅ |
Compatible Models: For Yamaha G11A Yamahauler Gas 1997-2001 G16A Ultima Gas 1996-2002 G20A Concierge Gas 2000-2002.
Manufacturer Part: JN6-11631-00
Package: 1- Intake Valve Stem Oil Seal, 1- Clutch Side Crank Shaft Seal, 1- Fan Side Crank Shaft Seal, 1- Engine Center Main Gasket, 1- Cylinder Head Gasket, 1- Exhaust Gasket, 1- Head Cover Gasket, 3- Intake Gaskets, 1-Piston, 5-Piston, 1-Piston pin, 2-Piston ring.
Tips before Purchase: Please carefully check whether your model is applicable to our products before buying. You can refer to the applicable models, pictures and OEM numbers on our page to help you determine your choice.
After-Sales Service: If you have any questions about our products during the use and purchase process, you can contact us by email at any time, we will try our best to solve the problem for you, and we will provide comprehensive quality assurance for our products.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tepeng Powersport | 9.86 | ✅ | ✅ | ✅ |
Compatible With 1998-2004 HONDA Foreman ES TRX450FE丨Foreman S TRX450FM
Replace part # 12100-HN0-A00 12251-HN0-A01 12191-HM7-013 13010-HN0-A02 13101-HN0-A00 13111-HN0-A00 13112-MAT-000
High quality and superior materials for high reliability and practicality.Replace the old directly.
Package include：1x Cylinder, 1x Piston, 1x Piston pin, 5x Rings, 1x head gasket, 1x Base gaskets,1x Spark Plug，2x Circlips（As main photo shows）
Warranty:For any reason, if you are not satisfied with your purchase, contact us directly. We offer a 6-month warranty, 100% satisfaction guarantee.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| moto1988ky | 9.90 | ✅ | ✅ | ✅ |
Compatible Models:For Yamaha Golf Cart G14 1995-1996
Manufacturer Part:JN5-11631-00-96
Replacement Part:JN5-11610-00-00
Package: 1 x STD Piston + rings set,6x Gasket,2x Seal
Pre-Buy Tips and After-Sale：Please refer carefully to our applicable model numbers, pictures and OEM numbers to determine if applicable before purchasing. If you have any questions during the use and purchase process, you can contact us by email at any time, we will try our best to solve the problem for you, and we provide you with a comprehensive quality assurance.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| cciyu | 9.80 | ✅ | ✅ | ✅ |
Features-Cylinder with thickened heat sink to prevent damage caused by engine, which can extend used life
Reliability-Pistons gasket kit with precise density to provide a reliable seal with tightening.
Fits Models- for Honda Rancher 420 TRX420 2007-2018
Replaces OEM Parts No.-12251-HP5-601, 12315-HP5-601.
Customer First-CCIYU will check each product before packing, if you have any questions, please let us know. We would take highly attention to your opinions and demands, to improve our products and service for you
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MATI | 9.84 | ✅ | ✅ | ✅ |
Manufacturer Part # XR100 XR100R CRF100 CRF100F
Fitment: Fit for Honda Motorcycle as Following ▶ CRF100F 2004-2013 ▶ XR100 1981-1984 ▶ XR100R 1985-2003
Upgraded Cylinder Kit Feature: 1. 58mm big bore cylinder kit, the stock increased from 100cc to 120cc. 2. Bigger cylinder, stronger power output. 3. All parts with 100% tested, perfect replacement for your bike. (Professional installation recommended)
Package：Cylinder 58mm x 1, Piston x 1, Piston Pin x 1, Clip, Piston Pin x 2, Ring Set, Piston x 1, Gasket x 2, Camshaft x 1, Rocker Arm Assy x 2, Valve Outer Spring x 2, Valve Inner Spring x 2, Spring Retainer x 2
Service: If there is any product problem within 1 year, please contact us to solve it for you.We provide product service.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| INPOST SPARE PART | 5.46 | ❌ | ❌ | ❌ |
Model: Kubota 902
Condition: New
Compatible Equipment Make:Bobcat, Kubota
piston ring size :72mm
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WholesaleMinis | 6.23 | ❌ | ❌ | ❌ |
88cc Stage 1 Big bore kit
Compatible with 1992-up Z50, XR50 & CRF50 pit bikes
Includes all gaskets needed to install
Lightweight aluminum cylinder with steel sleeve
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Powersports911 | 9.80 | ❌ | ❌ | ❌ |
One fully assembled and factory trued original Hot Rods crankshaft
Original Hot Rods main bearing and seal kit
Complete top and bottom end gasket and seal kit
Available as either an OE replacement or a displacement increasing stroker version
One kit does it all
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Performance Products+ | 0.00 | ❌ | ❌ | ❌ |
Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FIWARY | 5.86 | ✅ | ✅ | ✅ |
[ PART NAME ]: TRX300 TRX 300 Piston Ring Gasket Kit
[ COMPATIBLE WITH ]: For 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Honda TRX 300 Fourtrax FW 4x4 2x4 Engine Aftermarket Parts
[ PACKAGE INCLUDES ]: 1 * TRX300 TRX 300 Piston Ring Gasket Kit as pictures shows. Products will be tested and checked again and again before shipment, and multiple packaging to ensure safe arrival of products.
[ FEATURES ]: Superior performance and reliability; Excellent Response Characteristics; Robust Design; High quality components and materials. Good Operation, Easy to install. Durable, ready to handle tough environments.
[ NOTE ]: Please make sure that the model number, part number and photo is the same as yours before order. To Avoid placing wrong orders and wasting your precious time.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Endless Custom Parts | 9.75 | ❌ | ❌ | ❌ |
Motorized Bike rear engine mount studs
Includes: 2, 6mm studs
Size: 6mm x 100mm Long
Dont forget to order a new "80cc Rear Engine Mount Hardware Kit"
Free shipping (lower 48 only)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| INPOST SPARE PART | 5.46 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Caltric | 9.77 | ❌ | ❌ | ❌ |
Order includes: Cylinder w/Gaskets, Piston, Piston Clip, 2 Circlips, 5 Piston Rings (80mm)
Compatible with Polaris models: Ranger Crew 800 4X4 EFI 2011-2014 / Ranger XP 800 4X4 EFI 2012
Note: Standard Bore 80mm
We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JCMOTO | 8.50 | ❌ | ❌ | ❌ |
Complete assembled 49CC 2 Stroke Engine
The sprocket on this engine fits T8F chains
Gas mix oil rate is 25:1
Suitable for: 47cc/49cc Pocket bike, mini dirt bike, ATVs and so on
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Wrench Rabbit | 8 |
| Moto1988 | 7 |
| All Balls Racing | 6 |
| Niche | 4 |
| Cru | 3 |
| Inpost | 3 |
| Total Power Parts | 3 |
| Caltric | 2 |
| Cylinder Works | 2 |
| Goofit | 2 |
We've carried out a comprehensive analysis of 1,708 reviews on powersports engine kits, using our selection criteria to identify the best options in the motorcycle & powersports. Our findings reveal that most customers typically select powersports engine kits priced around $310.34, with top brands including total power parts, all balls racing, vertex, cru, wrench rabbit, kibblewhite, moto1988, sjvlxhi and xtptfabs and inpost
Our team of expert editors reviewed these high-quality items and handpicked the top 30 powersports engine kits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the motorcycle & powersports category. These include purely power sports, amazon.com, cyclesrus, powersport superstore, northerncrankshafts, svs power sports, moto1988ky, zhengzhoushiyuecangxinxikejiyouxiangongsi and xtptfabs and inpost spare part .
We are dedicated to assisting our users in finding the right kits Products based on their needs, saving them considerable time when choosing which powersports engine kits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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