Roto-Start Help

[HPI-Killer]

I recently sealed a g3.0 hpi motor and took off the roto start, now I can't the little pin to stay connected to the piston arm so when I roto start I feel the pin kicking in n out of the piston arm. Does anyone know if a trx 3.3 can have a roto start? Thanks

 

[Monkey Wrench]

Are you referring to the piston head wrist pin or the piston arm pin that holds the arm to the crankshaft? I'm trying to visualize what you're having a problem with.

As for the TRX 3.3, I believe you can, you just have to find the correct backplate to use on it. I believe Tiger may make one.

 

[HPI-Killer]

Its a tiny little pin that comes from the roto-starter and slips into the piston arm, so when u roto start the pin grabs onto the arm and turns it, right above the crank where the piston slides onto theres a tiny lil slot for the pin, better? lol thats all I have

 

[Monkey Wrench]

You referring to this?

 

[HPI-Killer]

nope its inside the motor itself, if you have never taken off or installed a roto start you wouldnt know, I will take pictures later when I get home

 

[Monkey Wrench]

Actually, I have taken apart many roto-starts and I do not recall a pin being in any of them.

I may be missing something, but I cannot recall, for the life of me, a pin being used. It may be something specific to the g3.0 engine, though.

 

[MudSlinger33]

I think i know what you are referring to. Mine will do the same thing if the crank shaft is turned in reverse. That pin will just slip on the crank, but i have no idea why it does that?