Vacuum Line Size
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Stellar HDF Member
Joined: Sep 2011
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From: In The Woods, PA
Vacuum Line Size
I know I know .. RTFM. I'm at work and want to stop on my way home to get a new piece of vacuum line that goes from the VOES to the carb. Anyone know what size it is??
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Joined: Mar 2010
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From: Poolville
You could be right.. So lets call it 5/32".. lol
Checked the manual and couldn't find anything.. YD might be right.. 1/8" seems to small..
Checked the manual and couldn't find anything.. YD might be right.. 1/8" seems to small..
Last edited by 98hotrodfatboy; Mar 24, 2021 at 09:00 AM.
HDF Community Team
Joined: Dec 2005
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From: NC USA
Book calls for 3/16" BUT, depends a lot on (on the bike) whether it has a vacuum petcock, how the VOES is positioned and if the nipple on the carb is straight up or a 90.
The 3/16 is barely tight enough on the VOES if it's a straight shot and/or there's enough room and soft enough hose for a bend to make it fit straight. So, I'd grab a piece of soft 5/32 if they have it and stretch on the carb nipple and it'll fit snug on the VOES.
Using nylon hose with boots on the ends, 1/8 is correct.
The 3/16 is barely tight enough on the VOES if it's a straight shot and/or there's enough room and soft enough hose for a bend to make it fit straight. So, I'd grab a piece of soft 5/32 if they have it and stretch on the carb nipple and it'll fit snug on the VOES.
Using nylon hose with boots on the ends, 1/8 is correct.
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Stellar HDF Member
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From: In The Woods, PA
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From: Brighton, MI
Book calls for 3/16" BUT, depends a lot on (on the bike) whether it has a vacuum petcock, how the VOES is positioned and if the nipple on the carb is straight up or a 90.
The 3/16 is barely tight enough on the VOES if it's a straight shot and/or there's enough room and soft enough hose for a bend to make it fit straight. So, I'd grab a piece of soft 5/32 if they have it and stretch on the carb nipple and it'll fit snug on the VOES.
Using nylon hose with boots on the ends, 1/8 is correct.
The 3/16 is barely tight enough on the VOES if it's a straight shot and/or there's enough room and soft enough hose for a bend to make it fit straight. So, I'd grab a piece of soft 5/32 if they have it and stretch on the carb nipple and it'll fit snug on the VOES.
Using nylon hose with boots on the ends, 1/8 is correct.
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6th Gear
Joined: Mar 2011
Posts: 14
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From: Mishawaka, IN. 46544
Thank you buy a headache to find!
Book calls for 3/16" BUT, depends a lot on (on the bike) whether it has a vacuum petcock, how the VOES is positioned and if the nipple on the carb is straight up or a 90.
The 3/16 is barely tight enough on the VOES if it's a straight shot and/or there's enough room and soft enough hose for a bend to make it fit straight. So, I'd grab a piece of soft 5/32 if they have it and stretch on the carb nipple and it'll fit snug on the VOES.
Using nylon hose with boots on the ends, 1/8 is correct.
The 3/16 is barely tight enough on the VOES if it's a straight shot and/or there's enough room and soft enough hose for a bend to make it fit straight. So, I'd grab a piece of soft 5/32 if they have it and stretch on the carb nipple and it'll fit snug on the VOES.
Using nylon hose with boots on the ends, 1/8 is correct.
HDF Community Team
Joined: Dec 2005
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From: NC USA
If you can get someone at O'reily's to look, they have tons of assortment drawers with all kinds or plastic hose fittings.
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