Hi,
i have taken the engine out of my mc18sp terra today and it looks to be blowing past on one piston as there is alot of black staining on one side, i have also noticed that the power valve has some play in it more so on one side then the other. the crank web on one side has some light pitting from rust aswell and the compression is low on both cylinders!
I am going to rebuild the top end new pistons rings ect but i have also sourced a mc18r engine and i am thinking of swaping the crank and any other parts that i may find need replacing, can anyone give me any advice as to whether this crank will be compatible i am not sure of the year of this engine.
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"The full SP" MC18SP Rothmans and Terra, MC21SP Cabin,Pentax,Rothmans. RGV VJ21SP, VJ22SP, Yamma Gamma, TZR2503MASP.