hi guys I have a 120 Saito at first time this engine disappointed to me, because y was buyed to replace a Magnun 91 in a Cap 232 TNTmodels, and the Saito moved the same prop at the same rpm but with some moore $$$$. So in search for the solution i dissasemble the engine and oh!!
The camshaft was moved to the point, Then i reassemble taking care abaut the point and the Saito became in a brute powe machine. Good luck