Tailpipe??

Todd Dolfi · 01-12-2011, 09:45 AM

81 and 84 Yamaha's stock two stroke in each... Can I add pipe to the exhaust to make them a little more quite or would that create to much back pressure and do more harm than good???

chuddly · 01-12-2011, 09:50 AM

you can add some...but it may have to have a change on the carb to fit it. You might also have a loss in power but I'm not sure of that and I'm sure that also depends on how long the pipe is with how many bends. basically it comes down to the quieter you try to make it the less power you will have so it depends what you want more.

Todd Dolfi · 01-12-2011, 09:55 AM

Only one bend.. instead of straight down maybe just an easy 90 and straight out the back...

essness · 01-12-2011, 11:48 AM

Todd,
I know that exit pipe on the G1 is real tiny, maybe 1/2" or so? I would think if you tapered it to a 3/4 - 1" to run it to the back you would not add any pressure??

Just a thought.

Todd Dolfi · 01-12-2011, 12:22 PM

Thanks guys that's just what I was thinking to.. I was going to take 1" pipe slid it over smaller pipe tac in place but take it all the way to the back..Maybe quite it down a little plus get different [maybe better] sound

just worried about back pressure alittle ... Thanks again

01-12-2011, 09:45 AM	#1
Todd Dolfi Gone Wild Join Date: Dec 2009 Location: Ohio Posts: 1,143	Tailpipe?? 81 and 84 Yamaha's stock two stroke in each... Can I add pipe to the exhaust to make them a little more quite or would that create to much back pressure and do more harm than good???

01-12-2011, 09:50 AM	#2
chuddly Gone Wild Join Date: Mar 2010 Location: Eminence, IN Posts: 534	Re: Tailpipe?? you can add some...but it may have to have a change on the carb to fit it. You might also have a loss in power but I'm not sure of that and I'm sure that also depends on how long the pipe is with how many bends. basically it comes down to the quieter you try to make it the less power you will have so it depends what you want more.

01-12-2011, 09:55 AM	#3
Todd Dolfi Gone Wild Join Date: Dec 2009 Location: Ohio Posts: 1,143	Re: Tailpipe?? Only one bend.. instead of straight down maybe just an easy 90 and straight out the back...

01-12-2011, 11:48 AM	#4
essness Not your usual outlaw Join Date: Oct 2008 Location: Near Lake Geneva, WI Posts: 20,054	Re: Tailpipe?? Todd, I know that exit pipe on the G1 is real tiny, maybe 1/2" or so? I would think if you tapered it to a 3/4 - 1" to run it to the back you would not add any pressure?? Just a thought.

01-12-2011, 12:22 PM	#5
Todd Dolfi Gone Wild Join Date: Dec 2009 Location: Ohio Posts: 1,143	Re: Tailpipe?? Thanks guys that's just what I was thinking to.. I was going to take 1" pipe slid it over smaller pipe tac in place but take it all the way to the back..Maybe quite it down a little plus get different [maybe better] sound just worried about back pressure alittle ... Thanks again

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