Description
This cam shaft has a similar profile and lift like the R20 cam.
Standard valve springs can may take off or block with this cam.
It is recommended to use the special valve springs A048.
Check the ease-of-movement of the the valves before firing or kicking
Dimensions
Intake 27.90 - 21.04 = 6.86mm cam lift on sprocket side
Exhaust 27.72 - 20.97 = 6.75mm cam lift on oil supply side
Length 68mm
Cam sprocket bearing 35x8mm
Right bearing 32x13mm
Space between the bearings 60.4mm outside, 39.4mm between
Without freewheel
Cam sprocket mounting system: Large screw circle
There is a collar of 16.8mm and 3 mounting screws.
The cam matches Skyteam 125cc and Lifan 140cc cylinder heads.
In the left side of the picture is the wide bearing visible.
Standard valve springs can may take off or block with this cam.
It is recommended to use the special valve springs A048.
Check the ease-of-movement of the the valves before firing or kicking
Dimensions
Intake 27.90 - 21.04 = 6.86mm cam lift on sprocket side
Exhaust 27.72 - 20.97 = 6.75mm cam lift on oil supply side
Length 68mm
Cam sprocket bearing 35x8mm
Right bearing 32x13mm
Space between the bearings 60.4mm outside, 39.4mm between
Without freewheel
Cam sprocket mounting system: Large screw circle
There is a collar of 16.8mm and 3 mounting screws.
The cam matches Skyteam 125cc and Lifan 140cc cylinder heads.
In the left side of the picture is the wide bearing visible.
