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70cc racing cylinder kit Big Bore for Derbi Euro 2, by Spanish 2-stroke specialist Airsal.
This racing kit includes a 48mm (Big Bore) Nikasil-plated aluminium cylinder with bridged exhaust port, a piston (d=48mm, two rings), a cylinder head (high-compression) and gaskets for mounting (especially for adjusting "squish clearance").
The kit is particularly powerful and torquey at mid to high rpm, and we strongly recommend to use it with a reinforced crankshaft with original stroke. We also recommend using a bigger carburetor (at least 17.5mm) and a sports exhaust that favours mid to high rpms, like the StreetRace 2 by Stage6, the Yasuni R2 / Cross HM or the SCR Corse Handmade.
With the right set-up and a little adjusting (jetting and squish), the cylinder can easily reach 11 to 13hp.
- Nikasil-coated aluminium cylinder
- 2-ring piston
- bore: 48mm
- displacement: 72.4cc
- Article no.
- C1083448
- Bore
- 48 mm
- Brand
- Airsal
- Conrod Length
- Standard
- Cylinder material
- Aluminium
- Displacement
- 72cc
- EAN
- 8434829003287
- Homologation
- No
- Piston Pin
- 12 mm
- Product type
- Cylinder kit
- Series
- Racing
- Spark plug thread
- M14 long
- Stroke
- Original
- Tuning Level
- Racing
- Weight
- 1,46 kg
- Bultaco
- Astro Enduro 50cc (DERBI);Lobito SM 50cc (DERBI);
- Cagiva
- Mito 50cc;
- Derbi
- Derbi Special Comp.;GPR 50cc (1998 - 2001);GPR 50cc Nude 2004 (EBS050);GPR 50cc R - Replica (2001 - 2004);GPR 50cc Racing 2004 (EBS050);Senda 50cc (before 2000) - (tubular);Senda 2000 50cc (before 2004) - (perimeter) Euro2;Senda DRD SM (before 2000) - (tubular);Senda DRD SM (before 2004) - (perimeter)-Euro 2;Senda Enduro (before 2000) - (tubular);Senda Enduro 2000 (before 2004) - (perimeter)-Euro 2;Senda R DRD Enduro (before 2000) - (tubular);Senda R DRD Enduro (before 2004) - (perimeter)-Euro2;Senda SM 50cc (before 2000) - (tubular);Senda SM 2000 (before 2004) - (perimeter)-Euro 2;Senda X-Race 2000 (before 2004) - (perimeter)-Euro 2;Senda X-Race Trail (before 2000) - (tubular);Senda X-Trem Enduro (before 2000) - (tubular);Senda X-Trem Enduro (before 2004)-(perimeter)-Euro 2;Senda X-Trem SM (before 2000) - (tubular);Senda X-Trem SM (before 2004) - (perimeter) - Euro 2;
- Gilera
- GP Replica 50cc (DERBI);GSM 50cc (DERBI);H@K Euduro 50cc (DERBI);RCR Enduro 50 (until 2005 EBS050) (tubular);SMT SM 50cc (DERBI) - (tubular);Zulu Enduro 50cc (DERBI);
- None
- None
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