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2 Stroke 49-100cc - 90-100cc Cylinder Piston Kits - Heads - Crankshaft

Restore strong power and dependable operation on your 2-stroke 49–100cc machine with essential components for 90–100cc engine setups. This category includes oversized cylinder and piston kits, performance and standard heads, wrist pins, rings, bearings, and complete crankshaft assemblies commonly used on E-Ton, Polaris, Adly, and Jog-style engines. Perfect for upgrading displacement, rebuilding worn engines, or correcting compression and power issues to achieve smooth, reliable 2-stroke performance.

2 Stroke 49-100cc - 90-100cc Cylinder Piston Kits - Heads - Crankshaft
34 Items
Circlips 12mm - 13mm Sold Per Pair

Circlips 12mm - 13mm Sold Per Pair

$0.02

Part #: 132039

EXHAUST GASKET ROUND OD=33mm Fits Impuls E-Ton Viper TXL50-AXL50-NXL50-Lightning50-Thunder90-TXL90-AXL90-NXL90-Sierra90-DXL90 ATVs + Beamer 50, Matrix 50 Scooters + Others

EXHAUST GASKET ROUND OD=33mm Fits Impuls E-Ton Viper TXL50-AXL50-NXL50-Lightning50-Thunder90-TXL90-AXL90-NXL90-Sierra90-DXL90 ATVs + Beamer 50, Matrix 50 Scooters + Others

$2.99

Part #: 633209

EXHAUST STUD SOLD PER PC 6mm X 30mm Fit Most 40-300cc Motors, GY6-50-125-150, used on Scooters, ATVs, Dirt Bikes, & Go Karts

EXHAUST STUD SOLD PER PC 6mm X 30mm Fit Most 40-300cc Motors, GY6-50-125-150, used on Scooters, ATVs, Dirt Bikes, & Go Karts

$1.69

Part #: 208201

Woodruff Key L=12mm W=5mm

Woodruff Key L=12mm W=5mm

$2.29

Part #: 650110

Oil Level Sending Unit 2-stroke Scooters Keeway QJ50

Oil Level Sending Unit 2-stroke Scooters Keeway QJ50

$9.99

Part #: 634704

Oil Pump 2 Stroke Non-Cable Operated Fits many 50cc, 70cc & 90cc ATV's and Scooters with the Minarelli Jog Engine

Oil Pump 2 Stroke Non-Cable Operated Fits many 50cc, 70cc & 90cc ATV's and Scooters with the Minarelli Jog Engine

$39.99

Part #: 816160

Oil Pump 2 Stroke Fits E-Ton Impuls TXL50, TXL90, Lightning AXL50, Thunder AXL90, Sierra DXL90, Viper RXL50, 70, 90cc ATVs 49cc Beamer, Matrix 50 Scooters Polaris, Alpha Sports, Dinli, Vento, CPI, Jog + More

Oil Pump 2 Stroke Fits E-Ton Impuls TXL50, TXL90, Lightning AXL50, Thunder AXL90, Sierra DXL90, Viper RXL50, 70, 90cc ATVs 49cc Beamer, Matrix 50 Scooters Polaris, Alpha Sports, Dinli, Vento, CPI, Jog + More

$49.99

Part #: 650134

Oil Seal 20x42x8

Oil Seal 20x42x8

$12.99

Part #: 634458

Oil Seal 20x34/30x6 Sold Per Pc

Oil Seal 20x34/30x6 Sold Per Pc

$14.99

Part #: 634138

Crankshaft 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs Splines=15 Shaft OD=16 Piston Pin=12 Stroke=42mm Fits Most ATVs with cylinder ht=77mm

Crankshaft 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs Splines=15 Shaft OD=16 Piston Pin=12 Stroke=42mm Fits Most ATVs with cylinder ht=77mm

$59.99

Part #: 650475

Ball Bearing 6204 ID=20 OD=47 W=14 Sold Per Pc Fits E-ton Impuls TXL50, TXL90, Lightning AXL50, Thunder AXL90, Viper RXL50, 70, 90cc ATVs, 49cc Beamer, Matrix 50 Scooters, Polaris, Alpha Sports, Dinli, more

Ball Bearing 6204 ID=20 OD=47 W=14 Sold Per Pc Fits E-ton Impuls TXL50, TXL90, Lightning AXL50, Thunder AXL90, Viper RXL50, 70, 90cc ATVs, 49cc Beamer, Matrix 50 Scooters, Polaris, Alpha Sports, Dinli, more

$14.99

Part #: 634137

Oil Seal 20x42/43x8/9 Sold Per Pc

Oil Seal 20x42/43x8/9 Sold Per Pc

$14.99

Part #: 634139

Oil Seal 20x30x6

Oil Seal 20x30x6

$7.99

Part #: 634459

Wrist Pin Connecting Rod Bearing Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more. For 12mm Pin 12x15x16

Wrist Pin Connecting Rod Bearing Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more. For 12mm Pin 12x15x16

$16.99

Part #: 633222

Cylinder Head 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

Cylinder Head 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

$29.99

Part #: 633211

Cylinder Head 54mm 100cc 2 Stroke Fits Most 2 Stroke ATVs and Scooters

Cylinder Head 54mm 100cc 2 Stroke Fits Most 2 Stroke ATVs and Scooters

$29.99

Part #: 633141

Cylinder Head Gasket 54mm 100cc 2 Stroke Also Fits MAX89/MAX100 Kits

Cylinder Head Gasket 54mm 100cc 2 Stroke Also Fits MAX89/MAX100 Kits

$5.99

Part #: 633269

Cylinder Head Gasket 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

Cylinder Head Gasket 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

$5.99

Part #: 634043

Cylinder Head & Base Gasket 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

Cylinder Head & Base Gasket 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

$12.99

Part #: 816137

Cylinder Head & Base Gasket 100cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

Cylinder Head & Base Gasket 100cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

$12.99

Part #: 816138

Cylinder Base Gasket 2 Stroke (82-100cc) Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

Cylinder Base Gasket 2 Stroke (82-100cc) Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

$4.99

Part #: 633268

Piston Rings 100cc 54.00x1.2 FG Sold Per Set Taiwan 2-Stroke ATVs

Piston Rings 100cc 54.00x1.2 FG Sold Per Set Taiwan 2-Stroke ATVs

$13.99

Part #: 816224

Piston Rings 100cc 54.00x1.5 FG Sold Per Set Taiwan 2-Stroke ATVs

Piston Rings 100cc 54.00x1.5 FG Sold Per Set Taiwan 2-Stroke ATVs

$13.99

Part #: 816142

Piston Rings 90cc 52.00x1 FG Sold Per Set Taiwan 2-Stroke ATVs

Piston Rings 90cc 52.00x1 FG Sold Per Set Taiwan 2-Stroke ATVs

$16.99

Part #: 633090

Piston Rings 90cc 50.00x1 FG Sold per Set Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

Piston Rings 90cc 50.00x1 FG Sold per Set Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more.

$16.99

Part #: 633088

PISTON KIT 100cc 2-stroke B=54 Pin=12 H=60 Ctr Pin To Top=34 mm

PISTON KIT 100cc 2-stroke B=54 Pin=12 H=60 Ctr Pin To Top=34 mm

$34.99

Part #: 633164

PISTON KIT 90cc 2-stroke B=52.25 Pin=12 H=60 Ctr Pin To Top=34 mm Aeon, Alpha Sports, Polaris, + More Oversize 1

PISTON KIT 90cc 2-stroke B=52.25 Pin=12 H=60 Ctr Pin To Top=34 mm Aeon, Alpha Sports, Polaris, + More Oversize 1

$34.99

Part #: 632969

PISTON KIT 90cc 2-stroke B=52 Pin=12 H=60 Ctr Pin To Top=34mm Aeon, Alpha Sports, Polaris, + more

PISTON KIT 90cc 2-stroke B=52 Pin=12 H=60 Ctr Pin To Top=34mm Aeon, Alpha Sports, Polaris, + more

$34.99

Part #: 632968

PISTON KIT 90cc 2-stroke B=50.25 Pin=12 H=60 Ctr Pin To Top=34 mm OS1

PISTON KIT 90cc 2-stroke B=50.25 Pin=12 H=60 Ctr Pin To Top=34 mm OS1

$34.99

Part #: 632967

PISTON KIT 90cc 2-stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs B=50 Pin=12 H=60 Ctr Pin To Top=34 mm

PISTON KIT 90cc 2-stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs B=50 Pin=12 H=60 Ctr Pin To Top=34 mm

$39.99

Part #: 632966

Polaris-Eton-Alpha Sports 100cc Big Bore 54mm 2 Stroke Top End Cylinder Kit Upgrade from 90cc to 100cc

Polaris-Eton-Alpha Sports 100cc Big Bore 54mm 2 Stroke Top End Cylinder Kit Upgrade from 90cc to 100cc

$149.90

Part #: 100690

Cylinder Piston Top End Kit High Performance 100cc 2 Stroke B=54mm Pin=12mm H=77mm Fits Many Taiwanese Youth ATVs Fits Eton 90/90R, Polaris 90+ More

Cylinder Piston Top End Kit High Performance 100cc 2 Stroke B=54mm Pin=12mm H=77mm Fits Many Taiwanese Youth ATVs Fits Eton 90/90R, Polaris 90+ More

$119.90

Part #: 633140

Polaris-Eton-Alpha Sports 90cc 2 Stroke Top End Cylinder Kit

Polaris-Eton-Alpha Sports 90cc 2 Stroke Top End Cylinder Kit

$139.90

Part #: 100669

Cylinder Piston Top End Kit 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more. B=52mm Pin=12mm H=77mm

Cylinder Piston Top End Kit 90cc 2 Stroke Fits E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVs + Adly Polaris, Dinli, Alpha Sports and more. B=52mm Pin=12mm H=77mm

$119.90

Part #: 635011

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