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I'm thinking about straight piping my 1986 Honda vt700c .it has been jetted up 2 sizes in the past .
Currently the a/f sit is at 2.5 out .
Question is would I need to jet my carbs when I do .
I'm am exploring the lollipop mod when I straight pipe it
 

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Ace Tuner
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I'm thinking about straight piping my 1986 Honda vt700c .it has been jetted up 2 sizes in the past .
Currently the a/f sit is at 2.5 out .
Question is would I need to jet my carbs when I do .
I'm am exploring the lollipop mod when I straight pipe it
Will you need to re-tune the carburetors when you put straight pipes on the bike? Probably -too- yes you will.
To get the jetting and fuel mixture screws set right you'll need to learn how to 'read' the spark plugs.
I hate to admit I don't know what the lollipop mod is...
 

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Retired twice: Navy and as a govt contractor
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Semi - I believe the lolipop mod is a round disk on a rod that you can adjust its angle inside the tailpipe to adjust backpressure.
 
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sub-Administrator American Legion Rider KA5LRS
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I didn't know it was adjustable but I know or think I know it's about a disk, most often a washer, to create back-pressure. Different size washers and holes. But adjustable would be cool. Not sure how that is achieved.
 

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Ace Tuner
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Oh. In the olden days that was called a Snuff-or-Not.
I believe it had a spring loaded exterior 'stem' that you could twist to snuff the exhaust, or not, without tools.
Haven't seen or thought about those for years.
 

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Always good to " see " how it sounds. He admits he is making more noise, and losing power, but we will never know unless he puts it on a dyno, or does some timed test runs. And after all the effort he says he may have to put the stock baffles back in. Sounds normal.
That aft pipe is wobbling a bit.

UK
 
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