New MRS 26CC Zenoah - Race Ported

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New MRS 26CC Zenoah - Race Ported

Berichtdoor EJS » Ma 16 Dec 2013, 01:38

Due to circumstances sale: MRS 26CC Zenoah - Race Ported.
New price 469 euro, now for 399 euro.

The piston is machined inside and outside. Inside for a reduction of weight. Outside for an optimalisation of the flow of the fuel mixture. The piston has 4 extra transfer ports made in axial direction, which enlarges the area of flow and smoothens the flow of the fuel mixture towards the combustion chamber. Not only a higher volume can flow through, also lubrication is optimized, which pro longues the life time of the piston. The outside diameter directly above and under the piston ring is slightly trimmed. This results in a better lubrication of the piston ring and piston. As last modification, the top of the piston has been trimmed for compensating the increased compression as a result of the cylinder tuning.

The cylinder has been trimmed at the bottom to reduce the squish and setting the timing of the ports correct. The cylinder is mounted to the crank housing with liquid gasket. Inside the cylinder is only machined very little on the exhaust port, for timing purpose and maintaining a correct pulse. This helps to reduce the fuel consumption. At the transfer ports the eye-brows have been machined, inside the EFRA regulations set for inlet porting. Also the seperation wall of the transfer ports have been modified for higher volume and optimized flow properties of the fuel mixture. All modifications are carried out by CNC for repeatability and identical tuning on each engine. The flywheel has been modified on purpose asymetric, for optimized balance and increased performance, helping acceleration. The fans on the flywheel are not machined, to maintain a maximum of cooling air directed over the cylinder.

A small modification is also made on the isolator mounted on the engine, for an improved flow of the fuel mixture.

For questions, please send a PM

Berichten: 26
Geregistreerd: Vr 14 Dec 2012, 11:58
Woonplaats: Heerhugowaard
Auto: Elcon IMP4CT 4WD
Club: H.M.R.C.

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