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Top sellers

Piston Pin Circlip Malossi G-Clip 10mm

High-quality replacement gudgeon pin circlips from Malossi for 10mm and...

CAD$ 0.99
Variator Roller Weights Malossi

The HAT weights are very durable and self lubricating. Available in a...

CAD$ 17.99
Tire IRC MB99

IRC high quality dual-Purpose scooter tires that provide good traction...

CAD$ 69.99
Reed Valve Gasket Minarelli Horizontal

Replacement reed valve gasket for all Minarelli Horizontal engines.

CAD$ 1.99
Variator Roller Weights Motoforce

Budget weights by Motoforce, choice of weights. Available in a range of...

CAD$ 8.99
Downhill Dragbar Race

In order to offer optimal handling, a dragrace handlebar should be...

CAD$ 39.99
Spark plug BR8HS (Removable Tip)

The thermal grade of the spark-plug is of prime importance with tuning...

CAD$ 5.99
Exhaust Gasket Minarelli

We can offer high-quality exhaust gaskets for all common original, sport...

CAD$ 2.99

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New products

Gasket set Polini Evolution 70cc Minarelli Vertical

CAD$ 19.99
Air Filter dust cover Polini

CAD$ 28.99
Front Pulley Polini Air Speed Evo CNC Piaggio

CAD$ 179.99
Shock absorber Polini Racing (285mm)

CAD$ 899.99
Reed Valve Polini Minarelli Horizontal

CAD$ 29.99
Intake Manifold Polini 21mm

Replacement Polini intake for Yamaha zuma 2002-2011 / Minarelli...

CAD$ 22.99
Gasket Set Polini P.R.E 4 70cc

CAD$ 39.99
Gasket Set Polini P.R.E 4 100cc

CAD$ 39.99

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Specials

Gasket set Roost Havoc 100cc Piaggio LC

Replacement gasket set for the Roost...

CAD$ 12.50 -50% CAD$ 24.99

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Viewed products

Cylinder kit NCY 88cc...

Want a real screamer? Then this 88cc big bore...
Replacement Speedo drive

Replacement speedometer drive gear for Yamaha...
Exhaust PSP Ruckus...

The PSP Stainless Steel Exhaust with Carbon...
Fender Eliminator Kit...

Two Brothers Racing offer here Fender...
Slammed Low Down Fork...

We offer here slammed low down fork legs for...
Oil Drain Container...

Easy to use & fits under C1, M2, A2 &...

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Cylinder kit NCY 88cc GY6 50cc 139QMB/QMA

Reference: 1100-1248.5

Condition: New product

Brand: NCY

Want a real screamer? Then this 88cc big bore kit for you, although its not a bolt on item for most QMB 139 bikes. Most of the time, engine cases must be cut. Order part number 1400-1001, Engine Bore Tool if there is no access to a machine shop. Its also recommended to get part number 1100-1239, 50mm big valve head as well, as some stock heads will not fit. Have a look at our Decompression Tube Assembly which replaces your dipstick and allows excess crank case pressure to be released. Good idea to install one of these alongside any cylinder kit upgrade.

In stock