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Cylinder -PARMAKIT 144 cc SP09 Evo, 105mm con-rod - Vespa PV125, ET3 125, PK125

partnumber 7672360

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The italian tuning experts Parmakit feature their newest smallframe tuning kit - the Parmakit SP09 Evo. It is easy to take the magic 20 hp mark at the rear wheel, with this crankcase inducted quality kit. It keeps all the positive features of its stablemates, the well known W-force series. The quality forged Vertex piston, the excellent cast and nicasil coating and the heavy duty modular head.

This 60mm Version should be combined with a 105mm piston rod or otherwise has to be machined to suit. The longer rod has the advantage of a better angle to the big end

bearing, a lower primary compression ratio and better flow area at the port

transfers in the engine casing.

The 60mm bore and 51mm stroke give a massive engine capacity of 144cc! The engine casings have to be machined at cylinder mouth to give room for the residual thickness of the cylinder. The port timings with the five,massive ports ( 4 transfer ports, one boost port) are: transfer ports 130°, exhaust port 190°, blow-down 30°. Normally, NKG B9ES or Bosch W3CC spark plugs are used.

The exhaust port is bridged, creating two separate exhaust windows, also referred to as a

butterfly port” .Our racing team recommends the check of the exhaust port’s bridge height just to be safe and sometimes this must be minimally changed.

Can be combined with the vespatronic, parmakit ignition, or our special PK flywheel, other flywheels might need to be milled down a little at the backside to clear the cylinder.

The cylinder kit can be combined with a lot of exhausts and carbs. Our racing team recommends the use of bgm 24-30 mm PWK carbs, the excellent Keihin PWMs or Mikuni-carbs.

On some frames trimming of the carb hole in the frame is necessary. Fits with parmakit and vespatronic ignitions, on some others the fly wheel needs to be trimmed to clear the cylinder

- Diameter of the exhaust flange 36mm

- Distance of exhaust studs 62mm

- Modular heavy duty Head for perfect heat dissipation

- 5big ports

- Offset spark position

- High quality nicasil-plating

- Crankcase induction

- Butterfly exhaust port

-144cc with 51mm stroke

High End cylinder, for high-end POWER !

Vielen Dank für Deine Bewertung!

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