


Сайт Yasuni R4 Exhaust Derbi / Aprilia / Gilera is a high-quality high-end system for tuned engines with considerably increased displacement (84 cc to 95 cc).
Clean welds and a high quality Max Pro aluminium silencer guarantee a great race look. Shape and volume of the expansion chamber are designed for maximum performance in the mid and high rpm range with a particularly wide power band. This means that the R4 already brings a lot of power at mid rpms and holds it well into the upper speed range.
The exhaust can be used with most 84cc – 94cc racing cylinders available on the market.
Because of the bigger volume we recommend you to use a bigger carburetor like the like a PWK 30 , a larger reed valve и reinforced clutch to avoid clutch slippage.
- Low mount exhaust
- Fits Derbi Senda X-Treme, Aprilia SX, Gilera SMT…etc.
- Silencer: Black
- NOT road-legal
- Article no.
- YAS820TB
- Brand
- Yasuni
- Colour
- Black
- EAN
- 8404012064197
- Exhaust finish
- Coated
- Exhaust mount
- Low
- Homologation
- No
- Product type
- Exhaust
- Series
- R4
- Tuning Level
- High-end
- Weight
- 4,50 kg
- Aprilia
- RX 50 (as from 2006 D50B1);RX 50cc Factory Euro 4 ;RX Enduro 50cc (D50B0) - after 2006;SX 50cc Euro 4;SX 50cc Factory Euro 4 ;SX SM 50cc (D50B0) - after 2006;
- Bultaco
- Astro Enduro 50cc (DERBI);Lobito SM 50cc (DERBI);
- Derbi
- Derbi Special Comp.;Senda 50cc (before 2000) - (tubular);Senda 2000 50cc (before 2004) - (perimeter) Euro2;Senda DRD PRO Racing SM(after 2005)-(D50B0 Euro 3);Senda DRD PRO SM (after 2005) - (D50B0 Euro 3);Senda DRD Racing 50 SM after 2011 - (D50B0 Euro 3);Senda DRD SM (before 2000) - (tubular);Senda DRD SM (before 2004) - (perimeter)-Euro 2;Senda DRD X-Treme 50 R '10 - '17 - (D50B0 Euro 3);Senda DRD X-Treme SM '10 - '17 - (D50B0 Euro 3);Senda Enduro (before 2000) - (tubular);Senda Enduro 2000 (before 2004) - (perimeter)-Euro 2;Senda Racing SM Euro 4;Senda R DRD Enduro (before 2000) - (tubular);Senda R DRD Enduro (before 2004) - (perimeter)-Euro2;Senda R DRD PRO Enduro (after 2005) -(D50B0 Euro 3);Senda R DRD Racing Enduro (after 2005)-(D50B0 Euro 3);Senda R X-Race Trail '05 - '10 - (D50B0 Euro 3);Senda R X-Treme Enduro '05 - '10 - (D50B0 Euro 3);Senda SM 50cc (before 2000) - (tubular);Senda SM 2000 (before 2004) - (perimeter)-Euro 2;Senda SM Limited Euro 4;Senda X-Race 2000 (before 2004) - (perimeter)-Euro 2;Senda X-Race SM '05 - '10 - (D50B0 Euro 3) ;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-Treme R Euro 4;Senda X-Treme SM '05 - '10 - (D50B0 Euro 3) ;Senda X-Trem SM (before 2000) - (tubular);Senda X-Trem SM (before 2004) - (perimeter) - Euro 2;Senda à partir de 2018;
- Gilera
- GP Replica 50cc (DERBI);GSM 50cc (DERBI);H@K Euduro 50cc (DERBI);RCR Enduro 50 (as from 2011 D50B0);RCR Enduro 50 (until 2005 EBS050) (tubular);RCR Enduro 50cc 2006 (D50B0) - (perimeter);RCR Euro 4;Sioux Enduro 50cc (Derbi);SMT Euro 4;SMT SM 50 (2011-2012 D50B0 ZAPABB00);SMT SM 50 (after 2013 D50B0 ZAPABB01);SMT SM 50cc (DERBI) - (tubular);SMT SM 50cc 2006 (D50B0) - (perimeter);Zulu Enduro 50cc (DERBI);
- None
- None
- Valenti Racing
- RME;SM 50;
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