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Powersports pistons and their associated parts are critical for engine performance and longevity. Selecting the correct components ensures optimal power delivery, fuel efficiency, and reliability for your motorcycle, ATV, or snowmobile. Investing in quality parts minimizes the risk of costly engine damage and enhances your overall riding experience.
Fitment: 70 mm flat top piston is compatible with Predator 212cc 224cc GX160 GX200 5.5hp 6.5hp gas engine mini bike go kart parts
Size: Piston diameter: 70 mm, not 68mm. Compression height: 0.550
Note: The piston ring openings must be staggered (they can't be in a straight line), starting from the bottom groove to assemble upward in sequence
Premium Quality: Predator 212cc engine flat top piston is high quality replacement part, high toughness, corrosion resistance, rustproof and durable. With stable function and reliability, effectively improve your working efficiency
Package: Piston Kit x1，Piston Ring Set x1，Bearing x1，Gasket x4，Seal x1，O-Ring x6
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.
SUPERIOR SPECS & FUNCTION: Top End Piston Kit, Replaces OEM Numbers: Vertex: VTK23928B-3
OEM REPLACEMENT: 100% New Aftermarket Top End Piston Kit built to meet OEM specifications
ENGINEER-TESTED EXCELLENCE: All of our wiring products go through a rigorous testing program developed by prestigious engineers to ensure optimal output and performance.
MECHANICS CHOICE: Our key to success is selling parts that fit and perform like the originals, which is why beginner and professional mechanics make us their top choice. We offer electrical parts and motors for your car, electric lawn mower, truck, boat...
Compatible Vehicle: Cylinder Top End Rebuild Kit fit for Honda for Rancher 350 TRX350FE 4x4 ES for 2000 2001 2002 2003 2004 2005 2006, for Honda for Rancher 350 TRX350FM 4x4 S for 2000 2001 2002 2003 2004 2005 2006, for Honda for Rancher 350 TRX350TE 2x...
Replaces OEM Parts Number: The Cylinder Top End Rebuild Kit part number are 12100-HN5-670 13101-HN5-670 13010-HN5-671 13111-HC0-000 13112-HN5-670 98069-57916 12251-HN5-671 12191-HN5-670
Package Included: The Cylinder Top End Rebuild Kit includes 1x Cylinder, 1x Piston 1x Head Gasket, 1x Base Gasket, 1x Wristpin, 2x Circlips, 1x Spark Plug, 1x Piston Rings Kit; Cylinder Bore: 78.5mm; Cylinder Displacement: 329cc
High durability: The Cylinder Top End Rebuild Kit is made of good quality material, featuring lightweight design, improved heat dissipation performance, and extended life; It can work reliably under harsh conditions, and easy to install.
This article is part of our complete guide Automotive — browse all our comparisons and buying guides.
Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Powersports Pistons & Parts
Material Composition
Pistons are commonly made from cast aluminum, forged aluminum, or hypereutectic aluminum alloys. Forged pistons offer superior strength and durability, making them ideal for high-performance applications and demanding conditions. Cast pistons are generally more affordable and suitable for stock or lightly modified engines.
Compression Ratio and Bore Size
The compression ratio significantly impacts engine power and efficiency. Higher compression ratios generally yield more power but require higher octane fuel. Ensure the bore size matches your engine's cylinder specifications precisely. Oversized pistons are available for engines that require cylinder re-boring due to wear or performance upgrades.
Top Ring Land Design
The design of the top ring land, where the top piston ring sits, is crucial for sealing and heat management. Different designs, such as rectangular, T-slot, or U-slot, offer varying levels of durability and performance under stress. Consider the intended use of your powersports vehicle when evaluating this feature.
Frequently Asked Questions
What is the difference between forged and cast pistons?
Forged pistons are created by heating and hammering aluminum into shape, resulting in a denser, stronger, and more durable component. Cast pistons are made by pouring molten aluminum into a mold, which is a less intensive process but results in a weaker, lighter piston.
How do I determine the correct bore size for my engine?
The correct bore size is essential for proper engine sealing and performance. You can find the OEM specifications in your vehicle's service manual. It's crucial to measure your cylinder bore accurately if you suspect wear or are planning modifications.
What is the importance of piston ring gap?
The piston ring gap allows the rings to expand with heat and maintain a proper seal against the cylinder wall. An incorrect gap can lead to compression loss, oil consumption, or even piston damage.
Can I use a higher compression piston in my stock engine?
While possible, using a higher compression piston in a stock engine may require adjustments to ignition timing and fuel octane to prevent detonation or engine knocking. It's advisable to consult with an engine specialist for compatibility.
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