Cylinders
Polini Corsa for Honda Elite '94+ and Dio
$ 278.49
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 Corsa Big Bore Kit For Yamaha Zuma '89-'01
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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...
Stage6 Cylinder Kit "Racing MK 2" 70cc 12mm
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Stage6 70cc Racing Cylinder Kit MKII, 12mm, Yamaha Zuma Stage6 engineers completely revised the design of the Stage6 70cc Racing MK cylinder and managed to get impressive performance out of a...
Malossi Aero / SE50 72cc Big Bore Cylinder Kit
$ 175.49
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...
Stage6 Streetrace 70cc Prebug
$ 185.49
Finally the Vertical Minarelli Stage6 Streetrace back in production!!! Stage6 70cc Cast Iron Cylinder Kit "StreetRace" for Minarelli vertical. For this particular version, Stage6 got together with the MXS Racing specialists...
Stage6 Cylinder Kit "StreetRace" 70cc cast iron
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Stage6 70cc Cast Iron Cylinder Kit "StreetRace" (Minarelli horizontal) Stage6 cast iron cylinders as an affordable alternative to pricier aluminium cylinders. The cylinder has 5 resp. 6 transfer ports (depending...
Malossi Big Bore Kit Vertical ZUMA 89-01
$ 180.49
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...
KOSO 170cc 4v Combo Kit For Honda Grom
$ 1,039.95
If your wanting more power out of your Grom, but you want to stick with high quality brands, look no further. I run this on my personal bike, and I...
Malossi 158cc big bore kit for Zuma 125
$ 308.99
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...
MXS Zuma vertical 70cc 16/19hp bore kit
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70cc Cylinder Kit Zuma vertical kit 11/19Hp! This kit uses a 10mm pin! The Nikasil-plated aluminium cylinder has 5 transfer ports and an oval exhaust port. The kit comes...
Polini Contessa "Sport Kit" Zuma '02-'11
$ 187.49
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...
NCY 158CC Big Bore Kit For Yamaha Zuma 125
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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...
70/94cc Malossi RC-ONE engine KIT
$ 4,203.49
It's hard to beat the Malossi kits. These come with everything you need, to assemble a turn key, bolt in powerhouse. Choose from 94cc or 70cc, Minarelli/Zuma fitment, or Piaggio....
2fast 70cc zuma/jog kit
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Here's the famous 2fast kit you've all heard about. This is the top dog 70cc kit on the market. This is a full race kit, crank, bore and pipe. NO bearings...
Genuine Buddy 70cc "Sport" Package
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We've taken the time to put together a QUALITY well rounded tuning kit for your Buddy 50! This is compiled 100% of quality parts. No flim flam Alibaba stuff over...
Polini Contessa 72cc big bore kit Dio
$ 209.49
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...
Polini Contessa For Yamaha Zuma '89-'01
$ 185.49
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...
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...
NCY 171cc Big Bore Kit For GY6
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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. ...
NCY Elite / DIO 82cc 50mm Cylinder Kit
$ 145.49
Looking for a little more cc, for a budget price? NCY offers a reasonable solution with included gaskets, head, and everything else to do the install. This kit also includes...
Elite / Dio cylinder kit 49cc
$ 64.99
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...
Crank installation tool
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Ok, so most of know, that a press/mallet/hammer is the incorrect way to install a crank. And its also the incorrect way to remove a crank. Cranks are not designed...
Polini Contessa Replacement Piston Kit Honda
$ 92.99
Time for a fresh piston and rings for your 47mm Contessa 72cc? This kit comes complete with rings, piston, circlips, and wrist pin. Gasket kit sold seperately.
Malossi 72cc Cast Replacement Piston for Honda AF16 / AF18
$ 64.99
Need a new piston/ring setup on your tired 72cc Malossi cast kit? Give your old cylinder a hone, install new rings, piston, circlips, and wrist pin, and your back on...