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Knowledge Base

On this page I will try to put bits and pieces of knowledge about various models as it comes to hand. If you have some knowledge you think is relevant please send me an email and we will add it on.



Sachs Madass:

Rear brake pads - Vesrah SD-162, we have tried these ones to stop brake squeak  experienced on a few bikes.

Madass 50 pilot jet size #15 VM28/486 sort seem to fit, would suggest a 17.5 or 20.

Sachs SX1:

50 main jet
38 Pilot
Needle 2nd from top
Standard rolers 6g 15 x 12


Speedfight II 100cc

Variator rollers are 18 x 14.5 @12 grams Standard


Speedfight II 50cc

Rollers 16 x 13 @ 8 grams

TGB 101s

Belt dimensions 16mm wide x 8.5mm high x 776mm  GE506RB01

Rollers 17mm D x 13mm W x 8.9gram


Adly RT50

Rollers 15mm D x 12mm W x 6.7gr


Vibe 50 (zx50) 7.5g 16 x 12.5