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The thermal grade of the spark-plug is of prime importance with tuning...
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(10mm Gudgeon pin). The Polini Sport 70cc is a...
(10mm Gudgeon pin). The Polini Sport 70cc is a very durable high-performance cast iron cylinder for everyday use. This kit is known for its impressive top speed considering the category it belongs to, and even more for its excellent performance at low and mid rpm range. The perfect cylinder if you want to pull wheelies! It can be used with the original carburetor. Note: You'll need a larger main jet (8-10% larger than standard) and the cylinder head is designed for long-reach spark plugs (BR8ES, BR9ES, BR9EIX, BR10EIX).
In stock
Engine Type | Minarelli Horizontal |
Piston Pin | 10mm |
Stroke | 39.2mm |
Displacement | 70cc |
Reference: BR9ES-3194
Brand: NGK
The thermal grade of the spark-plug is of prime importance with tuning kits; if the wrong grade is used the kit will overheat or the spark-plug will foul. A hotter spark plug transfers more heat to the cyl head, which may lead to piston seizures. The Corsa kit comes with the correct spark-plug, for other kits we recommend the plug listed here. As a rule...
Reference: 204.0620
Brand: Polini
Replacement piston for the Polini sport 70cc cylinder kits
Reference: 206.0200
Brand: Polini
Sold individually.
Reference: 209.0387
Brand: Polini
This is the complete gasket set for sport and corsa 70cc cylinders. Check the picture to see which gaskets are included.
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