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66MM / 15-PIN, TUNER EDITION PISTON (SEMI-DOME)

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  • YUMINASHI 66MM / 15-PIN, TUNER EDITION PISTON (SEMI-DOME)
  • YUMINASHI 66MM / 15-PIN, TUNER EDITION PISTON (SEMI-DOME)
YUMINASHI
฿1,835.00
SKU:
13100-015-660B
Weight:
285.00 Grams
Availability:
Fast moving item, ships the next day (Except on Sundays and Thai public holidays)...
Shipping:
Calculated at checkout
Minimum Purchase:
1 unit(s)

 Product Description

buying-2-discount-300pxl-.png● 66MM / 15-PIN, TUNER EDITION PISTON (SEMI-DOME) (13100-015-566B)

● With the 66mm 15mm pin Tuner Edition piston you get a piston where you as engine tuner have the total freedom to create a custom small or big 2-valve, 3-valve, or 4-valve piston for basically any motorcycle Brand and motorcycle/scooter type, and this totally based on your needs and specifications. 

● The 66mm piston size is really a nice piston size for many engine tuners, and not only the Honda, Yamaha, Suzuki, Kawasaki tuners, but also for the Rotax 125cc, 150cc, 200cc tuners because with a 66mm piston you can still use your stock/standard 200 (183cc) cylinder/barrel from the 4-Valve 4T Liquid Cooled Aprilia, Derbi, Scomadi, Royal Alloy, Rieju, Leonart or F.B. Mondial "Rotax" engines which have stock a 63mm bore.

The result of the 66mm piston on the stock 58mm stroke crankshaft is a true 200cc engine, and it's no problem whatsoever to bore the stock barrel up until 66mm (which can't be done with the 67mm Malossi #3411114 piston, the 67mm piston need to be installed in a new cylinder which they sell as their 67mm #3115326 cylinder kit...).
If you want to re-sleeve the stock barrel, then a 70mm piston & sleeve (74mm outer diameter) is the maximum you can go on these Rotax engines (result is 223.10cc with the stock 58mm stroke crankshaft)...

● If you have a Air Cooled 2-Valve Euro-4 Honda engine such as the MSX/GROM125 (2013-2021), Z125 Monkey (2018-2021), C125 Super Cub, CT125 Hunter Cub etc..., or an Air Cooled 2-Valve scooter engine such as the Scomadi TL125 / TT125i, Lambretta V125/V200, Peugeot D'elight 115, Tweet 125/150, Django 125/150,  Sum Up 125 or the Royal Alloy 2-valve or 4-valve air cooled engines, then the 66mm bore is a perfect cylinder size to re-sleeve your stock 125cc cylinder, to install a 66mm cylinder sleeve (70mm outer diameter) with a big valve cylinder head in combination with a high lift camshaft.

Our experience with these 2-Valve air cooled engines is that 66mm is the largest bore we would recommend, to have a very strong and still reliable engine, where you still can control the temperature with a large oil cooler if you have a big valve cylinder head which is ported the right way.

If you are looking for the largest piston to bore up the stock barrel from the Lambretta V125/V200, Scomadi TL125/TT125, Royal Alloy, or air cooled Peugeot 125's, then you need to order the 55mm piston with 15mm pin which we have also available at our website, and this results in nearly 140cc (137.73cc)...

● This piston can be installed on the stock stroke crankshaft (not possible with a 15 pin on most of the Honda and Kawasaki Engines without changing the conrod), with perhaps a longer connecting rod which creates more higher RPM horsepower, or in combination with a offset crankpin to stroke your engine up and this totally based on your personal needs.

● This Tuner Edition piston kit comes complete with Rings, Pin and Cir clips.

 Keep in mind that a 15mm piston pin piston need to be installed with a 15mm connecting rod, so if your stock engine doesn't have a 15mm piston pin, then please check if we have a 15mm piston pin conrod available for your engine before you order!... 

 Check if this 66mm piston size fit between your cylinder studs before you order!...

 
● SPECIFICATIONS: (CHECK BEFORE YOU ORDER!)

piston-spec-p01.png

  • A= 22.5MM
  • B= 29.5MM
  • C= 18.5MM
  • D= 66MM
  • E= 15MM (=Stock piston pin size for Aprilia, Lambretta, Scomadi, Royal Alloy, Yamaha Mio115, Nouvo115, TTX115, Fino115, FILANO 115, D'ELIGHT 115, GY6 engines & Honda Old CBR150R (Most Honda 100cc-160cc Honda engines need to install a 15mm pin conrod!))


budget-logo-2.png SMART SHOPPER TIP:


        BUYING MORE THAN 1 PIECE CUT THE TRANSPORT PRICE, AND YOU RECEIVE A 10% DISCOUNT ON TOP OF IT!

   ※ B2B:  

  • Purchases between 2 & 4 pieces of this product will receive a 10% DISCOUNT 
  • Purchases between 5 & 9 pieces of this product will receive a 15% DISCOUNT 
  • Purchases between 10 & 19 pieces of this product will receive a 20% DISCOUNT 
  • Purchases between 20 & more pieces of this product will receive a 25% DISCOUNT

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