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CYLINDER HEAD NOT INCLUDED
Naraku 70cc cylinder kit for mopeds using a Piaggio air-cooled 50cc 2-stroke engine.
Budget cast iron twin ring cylinder kit from Naraku, designed for mild sport set ups.
Supplied with barrel, piston, rings, gudgeon pin, circlips & gasket set
Please note that these cylinder kits are basic sports kits and are not supplied with matched 70cc cylinder heads. These are low-revving and at a relatively low level of tune with a small performance increase and are best suited to standard or mild sports exhausts setups.
If you are using it with the stock cylinder head then you can use a BR9ES plug.
Hi, the 'squiggly' ring is a 'compression ring'. This goes on the lower piston groove underneath the lower ring- note that the rings are not the same, one is thinner than the other. It is supposed to give extra compressive force to the lower ring but some people consider them a liability especially on tuned engines where they can increase friction.
It is fine to simply discard it if you wish.
yes it would be fine- if you have a non-standard or 'sports' exhaust upjet to 68-70 as a good starting point and remove the brass plate from the carb mouth if it hasn't been removed already (presuming you still have the standard airbox and filter)- if you are using the standard original exhaust upjet to 62 and remove the brass plate
it would work best with either a standard exhaust or mild sports exhaust,
anything here in the 'standard' or 'sports' section, with the exception of the Stage6 Sport Pro Replica and the Yasuni R which are probably a bit too highly tuned for it.
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