Leak help

[Quadrider10]

Alright so I leak tested my motor, and it was leaking at the gasket where the reeds meet the intake. I bought a new gasket, vleaned the surface real well, leak tested it again, and it's still leaking worse. What should I do? Start it and let it idle a little so the gasket will mate with the metal or what?

 

[Triple_B]

I had the same problem. I just put a very light layer of RTV gasket silicone in between the intake boot, reed cage, and where the gasket sits in between the cylinder and the reed cage.

 

[Quadrider10]

Ahh alright I'm try something and see of it works.

 

[yamaha28]

that little reed cage is a PITA to get sealed, that and cranks seals lol

 

[slickerthanyou]

Little secret.... Cometic EST reed cage gaskets, are the shizzle, no RTV at all!

 

[mjgnslngr]

I did the same thing as tripleB said. I real thin layer of sealant between all mating surfaces. I used hi temp ultra black. Worked great, no more leak.

 

[89blaster89]

so you need to take the reed cage off then put it inbetween or just put it on the crack where the reed cage meets the cylinder head?

 

[Quadrider10]

alright i havent leaked tested it yet. i wanna bring the motor a little hotter, then test it, so hopefully it will seat better. but as i was running it, i noticed this sound. it sounds like a piston slap. but idk for sure. i stuck my fingure in the intake, and tries to move thr piston up or down while holding the kick starter, but it dosent move.

View My Video

this sound ok to u gys?

 

[Blaaster]

It is also important that the bolts are tightened to 5.8 ft lb.

They must be tightened gradually, and to the correct tension or the reed cage may warp.

 

[89blaster89]

alright i havent leaked tested it yet. i wanna bring the motor a little hotter, then test it, so hopefully it will seat better. but as i was running it, i noticed this sound. it sounds like a piston slap. but idk for sure. i stuck my fingure in the intake, and tries to move thr piston up or down while holding the kick starter, but it dosent move.

View My Video

this sound ok to u gys?

damn looks and sounds like you ride that thing hard, dont really know what piston slap sounds like, it seems like every air cooled blaster sounds different to me so i dont know

 

[Quadrider10]

idk it sounds weird. and yes i do I:I

but it sounds like bowap bowap noise. kinda hard to explain.