Mufflar Lost
#1
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Join Date: Nov 2005
Location: Lincoln,
NE
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Mufflar Lost
I just lost the muffler off my new 50 cc RCG. Does anyone have a tip on how to keep a muffler from falling off. I was thinking of something like installing a short cable on it so it doesn't fall into the corn field never to be seen again.
#2
Join Date: Dec 2001
Location: Gahanna,
OH
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I too had muffler issues until discovered the cure here on a forum. Here is the solution that works for me.
I do not use a gasket. I clean up both mating surfaces well and then clean them a final time with acetone. I then apply a very thin layer of Permatex Ultra Copper Sealer. I also put a dab on the threads of the bolts that attach the muffler (acts like a thread locker). Gently assemble the muffler to the engine and finger tighten the bolts evenly. I then torque it down tightly and let it sit for a day.
For me there is no more loose muffler and no leaks.
I do not use a gasket. I clean up both mating surfaces well and then clean them a final time with acetone. I then apply a very thin layer of Permatex Ultra Copper Sealer. I also put a dab on the threads of the bolts that attach the muffler (acts like a thread locker). Gently assemble the muffler to the engine and finger tighten the bolts evenly. I then torque it down tightly and let it sit for a day.
For me there is no more loose muffler and no leaks.
#5
Senior Member
Terrific stuff. McMaster Carr sells it for around 7$ a tube. It is high temperature silicone sealant with a twist... It resists gasoline exhaust great. I used NordLock washers several years ago along with the PUC, but have since moved away from NordLocks favoring PUC alone.... NL not needed. Try it...