All Products
Polini Corsa for Honda Elite '94+ and Dio
$ 359.99
Time to step it up a notch with polini’s FACTORY ported 72cc cylinder kit. It's a step up from the polini contessa kit. Be prepared to ride wheelies and pick...
Polini Contessa 72cc big bore kit Dio
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This is Polini's entry level street kit with amazing performance. Improvement over the factory rated horse power of 11.7. This kit will give you much better acceleration, mid-range power and...
Malossi Aero / SE50 72cc Big Bore Cylinder Kit
$ 191.09
This is the best big bore kit made for the Aero, and SE50 Elite with USDM AF05 engine. Why get a cheaper chinese/taiwan cylinder kit, when these are already so...
Malossi 72cc Cylinder kit honda elite
$ 225.99
Malossi cast-iron cylinder kits are known for their longevity, and reliability. This is an extremely affordable, yet powerful and reliable kit for your bike. Includes carbon reeds and main jet...
Malossi Aero Cylinder Head
$ 76.19
If you just bought a 72cc malossi kit for your honda se50, pre-94 elite, and honda aero, here is the matching head. Complete with O-ring, new bolts, and washers. A...
NCY 158CC Big Bore Kit For Yamaha Zuma 125
$ 190.49
Give your Yamaha Zuma 125 some extra juice with this bolt on 158cc. Unlike most scooters, the Yamaha Zuma 125 is a Fuel Injected Scooter, and in order to get this...
50cc stock bore replacement kit Zuma
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Here is a quality, rebuild kit for under $70. Can't beat that! Perfect for getting your stock bike back on the road! Perfect choice if you want to replace the...
Malossi Sport 70cc cylinder ZUMA /Genuine/ Minarelli Horizontal
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Malossi 70cc Cast Iron Cylinder Kit "Sport" = (Minarelli horizontal AC, 10mm) - A cast iron cylinder built for everyday use. Set up properly (17.5mm carburetor and sports exhaust), this kit...
Malossi 158cc big bore kit for Zuma 125
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153cc cylinder kit for your Zuma 125 This aluminum cylinder with coated piston path of Malossi offers a volume of 153 cc (58 mm Bore). The result is a significant...
Polini Corsa for Yamaha Zuma '02-'11 & Yamaha Jog
$ 309.99
The Corsa is Polini's revised 70cc sport cylinder. Extreme port timing, polished exhaust port and increased primary compression result in up to 2-3 hp more power as compared to standard...
Polini Contessa "Sport Kit" Zuma '02-'11
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Polini 70cc Cast Iron Cylinder Kit "Sport" Zuma, a very durable high-performance cast iron cylinder for everyday use. '02-'11 models only, will fit horizontal jog '91-'01 also Vertical kit available...
Polini Contessa For Yamaha Zuma '89-'01
$ 230.99
The contessa is a killer sport 70cc bore for the zuma minarelli vertical. Polini's classic 2 ring design, built to last. When you recieve this kit, it's clear that your...
Prebug Zuma fan shroud
$ 20.99
Replacement fan shroud or cylinder shroud Choose the style needed in the drop down menu!
Malossi Big Bore Kit Vertical ZUMA 89-01
$ 194.99
Straight out of Malossi's Italian workshop. The Malossi cast kit is a tried and true reliable sport kit, that will last a long time, and provide that low end grunt...
Malossi Gasket Kit Prebug Zuma
$ 16.79
Replacement gasket kit for your vertical Zuma sport bore kit. Don't forget some ProCure to avoid any leaks.
NCY 171cc Big Bore Kit For GY6
$ 169.99
Another win by NCY. bolt on, gy6 150 kits to take your GY6 to 171cc. There is no case cutting required. As always jetting will be required for additional fuel. ...
Billet Oil Delete Plug
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Simply remove your oil pump, and install this puppy. Not only do you eliminate the risk for pump failure, you also raise crankcase compression. This kit should be installed on...
ScooterSwapShop Digital Gift Certificate
$ 25.00
Give the gift of speed. Not sure what parts they need? Let them choose with a ScooterSwapShop Digital Gift Certificate. Perfect for birthdays, holidays, or just hooking up your riding...
Polini Corsa Big Bore Kit For Yamaha Zuma '89-'01
$ 279.99
The corsa is a killer bore, for the zuma vertical. Polini's classic 2 ring design, built to last. When you receive this kit, it's clear that your money went into the...
Elite / Dio cylinder kit 49cc
$ 38.29
Here's a good solution for the guys trying to stay within a budget. Super simple, easy to install kit. This a direct replacement 49cc kit. No head is needed with...
OEM Yamaha 10mm Wrist Pin Bearing
$ 37.29
Highest quality Japanese bearing, OEM Yamaha small end bearing for your Minarelli vertical or horizontal. 10mm. Alternative Wrist Pin Bearing Here
2fast 100cc kit zuma
$ 2,217.09
If you've opened this link, and your afraid of power, then I suggest you close this window. This isn't your ebay special, or home brew setup. This is a 100%...
Polini wrist pin bearing
$ 13.99
Grab a polini reinforced top end bearing for your next build. These fit several 12/10mm scoots, please verify fitment before ordering. 12mm- 12x17x15 10mm-10x14x13
Upgraded Cylinder Stud Kit
$ 14.49
When re working your engine, its always wise to replace the oem head hardware with fresh head studs, and nuts. Avaliable for: Horizontal Minarelli m7x110mm (Bugeye Zuma, euro mina, Jog,...