beemeruss
Member
78 R100RS pistons
Hey,Dap would you have the numbers that are stamped on you piston crowns?It was suggested that 78 RS pistons are unique but my parts book shows 2 different ones and I don't know whether they are compatible.My serial #61827XX indicates a build date of 08/77.My left piston is stamped 93 96 I6 but my right one cannot be read because my(errant) exhaust valve "removed" it!I bought a used replacement stamped 93 97 H6 that the parts guy said was correct but I am sceptical.Any thoughts?Also, in your main seal replacement,was it a teflon seal?I have heard of them but I don't know if they are OEM replacements or special order.
Russ 76 R90/6 78 R80/7 78 R100RS
Hey,Dap would you have the numbers that are stamped on you piston crowns?It was suggested that 78 RS pistons are unique but my parts book shows 2 different ones and I don't know whether they are compatible.My serial #61827XX indicates a build date of 08/77.My left piston is stamped 93 96 I6 but my right one cannot be read because my(errant) exhaust valve "removed" it!I bought a used replacement stamped 93 97 H6 that the parts guy said was correct but I am sceptical.Any thoughts?Also, in your main seal replacement,was it a teflon seal?I have heard of them but I don't know if they are OEM replacements or special order.
Russ 76 R90/6 78 R80/7 78 R100RS
