Look in the list below, if your engine and cylinder head is in the list, you can use the piston model that is shown above the table!
          

                                              

How to use the wizard:

Example: 
You have:
Honda XR50 50cc, new model with CDI ignition system and original cylinder head..

You want: Big-bore kit, like 85cc (51mm) >> check the wizard and you will find out that you need the model -GK4-    

 

You have: Jincheng JC50Q-7 (EasyRider M50 / Panda Fun Runner 50) and original 50cc cylinder head..

You want: Big-bore kit, like 85cc (51mm) >> check the wizard and you will find out that you need the model -377-50-    

 

model -GB5- piston set (size 51 / 52 / 54mm) for:

Bike/Engine:

Any of the following Cylinder heads:

50cc Regal Raptor


70cc XR70 head

70cc C70 new model head

70cc ST70 new model head

70cc old model head (bit lower compression)

70cc ultra head (bit lower compression)
70cc Chinese head.#MBD72HEAD

90cc PBR90 head (Jincheng)

90cc JC90Q head (Jincheng)

90cc C90 head new model (12 volt CDI)

100cc Win 100 head (HRC head)

50cc XR50

50cc Z50 new model (12 volt CDI)

50cc C50 new model (12 volt CDI)

50cc DAX (ST50) new model (12 volt CDI)

50cc ZB50

70cc XR70

70cc C70 new model (12 volt CDI)

70cc DAX (ST70) new model (12 volt CDI)

90cc PBR90 (Jincheng Pro Monkey ST90)

90cc JC90Q (Jincheng DX90/D)

 

 

 

model -GK4- piston set (size 47/ 51 / 52 / 54mm) for:

Bike/Engine:

Any of the following 50cc Cylinder heads (GK4):

50cc Regal Raptor

50 Raptor head

50cc XR50 head

50cc Z50 head

50cc C50 new model head (12 volt CDI)

50cc DAX (ST50) new model (12 volt CDI)

50cc ZB50 head

50cc C50 old model head (lower compres)

50cc SS50 old model head (lower compres)

50cc XR50

50cc Z50 new model (12 volt CDI)

50cc C50 new model (12 volt CDI)

50cc DAX (ST50) new model (12 volt CDI)

50cc ZB50

70cc XR70

70cc C70 new model (12 volt CDI)

70cc DAX (ST70) new model (12 volt CDI)

90cc PBR90 (Jincheng Pro Monkey ST90)

90cc JC90Q (Jincheng DX90/D)

 

 

model -GB0- piston set (size 51 / 52 / 54mm) for:

Bike/Engine:

Any of the following 70cc Cylinder heads:

50cc C50 old model (6 volt)





70cc C70 old model head.

70cc ultra head (bearing model).

50cc SS50

50cc CD50

50cc DAX (ST50) old model (6 volt)

50cc Z50 old model (6 volt)

50cc CF50 old model (6 volt)

50cc JC50Q (jincheng /Easy Rider M50/ Panda)

70cc C70 old model (NO CDI)

70cc ST70 (DAX) (NO CDI)

90cc C90 new model (12 colt CDI)

Engine built-up with DRP 52 stroke racing crank



 

model -377-50- piston set (size 51 / 52mm) for:

Bike/Engine:

Any of the following 50cc Cylinder heads:

50cc C50 old model (6 volt)




50cc C50 old model head

50cc SS50 old model head

50cc Jincheng JC50Q-7 head (M50) (Panda)

50cc SS50

50cc CD50

50cc DAX (ST50) old model (6 volt)

50cc Z50 old model (6 volt)

50cc JC50Q-7 (jincheng/Easy Rider M50/ Panda)

50cc CF50 old model (6 volt)

70cc C70 old model (NO CDI)

70cc ST70 (DAX) (NO CDI)


 

 

model -377-70- piston set (size 51 / 52mm) for:

Bike/Engine:

Any of the following 70cc Cylinder heads:

50cc C50 old model (6 volt)




70cc C70 old model head

70cc Ultra head (bearing type)

50cc SS50

50cc CD50

50cc DAX (ST50) old model (6 volt)

50cc Z50 old model (6 volt)

50cc CF50 old model (6 volt)

70cc C70 old model (NO CDI)

70cc ST70 (DAX) (NO CDI)



 

model -GT0- piston set (size 47mm) for:

Bike/Engine:

Any of the following Cylinder heads:

Each engine build-up with DRP 52 stroke crank

50cc C50 old model head

50cc SS50 old model head

70cc C70 new model head

70cc ST70 new model head
70cc Chinese head.#MBD72HEAD

90cc TRX90 head

90cc C90 head new model (12 volt CDI)

100cc Win 100 head (HRC head)

90cc TRX90

 

 

 

 

 



 

model -087-50- piston set (size 47 / 47.25 / 47.50 / 47.75 / 48mm ) for:

Bike/Engine:

Any of the following 50cc Cylinder heads:

50cc C50 old model (6 volt)


50cc old model (6 volt)
50cc C50 old model head

50cc SS50 old model head

50cc JC50Q-7 head (Jincheng Easy Rider M50/ Panda)

50cc SS50

50cc CD50

50cc DAX (ST50) old model (6 volt)

50cc Z50 old model (6 volt)

50cc CF50 old model (6 volt)

50cc JC50Q-7 (Jincheng/Easy Rider M50/ Panda)


 

model -087-70- piston set (size 47 / 47.25 / 47.50 / 47.75 / 48mm ) for:

Bike/Engine:

Any of the following 70cc Cylinder heads:

50cc C50 old model (6 volt)



70cc C70 old model head

70cc Ultra head (bearing type)

50cc SS50

50cc CD50

50cc DAX (ST50) old model (6 volt)

50cc Z50 old model (6 volt)

50cc CF50 old model (6 volt)

50cc JC50Q-7 (Jincheng /Easy Rider M50/ Panda)

70cc C70 old model (NO CDI)

 

 

model -087-spec- piston set (size 47mm) for:

Bike/Engine:

Any of the following 70cc Cylinder heads:

Engine built-up with 52 stroke racing crank

70cc old model head

70cc Ultra head (bearing type)

 

 

 

This wizard is for reference only.

Whilst every care is taken to ensure that the information in this wizard is correct, no liability can be accepted by the authors or publishers for loss, damage or injury caused by any errors in, or omissions from, the information given.