M-PIS Forged pair of piston -15%

Forged pair of piston

Tax included

Malossi is proud to offer "Super T-Max," a completely new gamma of products for the most popular Yamaha Maxi-Scooter and like always "Made In Italy"!


The delivery time for this product is 10/15 working days. (Delivery times may vary as they depend on the availability of the goods and the delivery time of the courier)
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Ø 66 forged piston
spin Ø 15 with 3 piston rings
high compression for original cylinder
Forged Pistons: Special Al-Si-Cu alloy, hardened, shaped crown with valve reliefs, racing design, reinforced and lightened with constant wall thickness.
Piston Rings (3):
1st - Compression Ring: Chrome plated steel.
2nd - Intermediate Ring: Phosphate coated steel.
3rd - Oil Control Ring: 3-piece oil ring, (chrome plated steel rails, plus spring).
Two available piston sizes:


Cylinder Sleeve Ø


Piston Ø


Piston ID Mark


Normal 66.000 - 66.010 65.965 - 65.980 0
Over-Sized 66.020 - 66.030 65.985 - 66.000 M

The normal piston size is intended to replace the original piston without any need for cylinder modifi cations.
(Verify that the cylinder is not damaged, ovalized or scored).
The over-sized piston is intended to be used with a modified cylinder sleeve, which has been honed to the dimensions indicated in the above table.

T-Max 500 2004-2011

Malossi is Leader in the production of special parts for scooters, for years engaged in national and international competitions.

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Shipping times: Generally for Italy, delivery takes place within 48 hours of shipment, while for abroad the times can be 4/5 working days (Check the shipping times shown on the item cards)

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Returned Goods:

Is your order no good or simply not happy? You can return any new, unused and unmodified item within 30 working days of receiving the product. We will make a full refund to your original payment method.

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