EGIG High Performance cylinder kit – modular, powerful & versatile
Developed for ambitious tuners and touring riders alike: The new EGIG cylinder combines maximum flexibility with uncompromising performance – whether on the road or the race track.
Technical highlights
- 68 mm Wössner forged piston
- Aluminum cylinderwith heavy-duty Nikasil coating
- Suitable for M200and EGIG 250/300 stud bolt hole pattern(8-fold)
- Exhaust hole pattern: 65 mm(identical to M200) with additional central M8 fastening thread
- Stroke / connecting rod combinations:
- 56.5 mm stroke / 116 mm connecting rod = 205 ccm
- 58 mm stroke / 117 mm connecting rod = 210 ccm
- 60 mm stroke / 117 mm connecting rod = 220 ccm
(Note: For deviating connecting rod lengths, a spacer may be required or the cylinder base must be turned off). - Thread for Koso temperature probe in cylinder head: M4.5
- Suitable for PX125 cylinder cover(fixing points & dimensions)
- Compression ratiowith crushing edge 1.2-1.3 mm: approx. 12.5:1
- Choice of one-pieceor three-piece exhaust
- 8-flap diaphragm blockfrom Italkit
- Intake manifold: 30 mm or 34 mm, precisely fitting the original frame hole
- Central plugfor optimum combustion
- 2 centering pinson the cylinder base (can only be used with EGIG/Fabbri housing)
Application range & philosophy
The cylinder can be used in a wide variety of configurations – whether as a sporty touring cylinder or a performance-oriented racing cylinder. It was deliberately designed to cover as many requirements as possible. Whether touring rider or long-distance racer: this project offers the right setup for everyone.
Cylinder layout & timing
A balanced compromise between racing and road cylinders:
- Timing (depending on stroke):
- Intake:127°-129°
- Exhaust: 183°-186°
- Rule of thumb: The higher the stroke, the lower the advance.
Exhaust variants in comparison
One-piece exhaust
- Power: up to 35 hp / 35 Nm
- Early onset of power, very linear power delivery
- Insensitive to weather or altitude
- Carburetor tuningmuch easier
- Ideal for touring and everyday use
- Disadvantage: approx. 3-4 hp and 500 rpm speed rangeless compared to the three-part version
- Usually superior up to 7,500 rpm
Three-piece exhaust
- Power: up to 40 hp / 35 Nm
- Higher rev range, but less torque at low revs
- Power delivery more brutal and delayed
- Carburettor tuning more complex, higher risk of pre-resonance holes
(but well balanced by clever layout, reed valve block and timing on the EGIG cylinder)
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