@ Z28_CAMSHAFT XR70'S PULL START TRX90'S (200036)

WE WILL GET THIS CAM DEGREED AND ADD THE INFO TO THIS PAGE

WHEN USING THIS HUGE CAM,,, YOU MUST CHECK THE FOLLOWING DETAILS!!!!!!!!!!!!!!!!

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1.__When the valves pass each other there is at least .015"

or more clearance between them at the closest point.

IF NOT DAMAGE WILL OCCUR, TO FIX THIS JUST GRIND DOWN THE

OUTTER EDGE OF THE VALVES!!!

2.__MAKE SURE WHEN THE CAM LOBE IS PUSHING THE VALVE ALL THE WAY DOWN

THAT THE VALVE SPRING DOES NOT BIND "COIL TO COIL" THIS WILL ALSO CAUSE DAMAGE!!!!

USING OUR (200149) SPRINGS CAN ELIMINATE THIS PROBLEM..*

THIS CAM WORKS FINE IN THE TRX90, CRF70, XR70 and 1991_to_94 HONDA CT70 HEADS

THIS CAM HAS THE APROX. THE SAME LIFT AS OUR Z40 CAM , JUST NOT AS MUCH DURATION, AND OVERLAP.

OD ON THE SMALL BEARING = 28MM

OD ON THE BIG BEARING = 42MM

TOTAL LENGTH = 70MM

@ e HEAVY_DUTY VALVE_SPRINGS WITH_WIDER COIL_SPACING FOR_HI_LIFT_CAMS IN_50_70_HEADS (GREAT_STOCK_REPLACMENT) (S1129)

ALSO WORK TO REPLACE STOCK 50 AND 70 STOCK SPRINGS AND ADD SOME MORE TENSION