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General Discussions & Announcements General Announcements, General Questions, e.g. What bike do I buy?, etc. |
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#1
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Best GG mod for under $10
I can''t take credit for this, another member (Liamthon) posted this mod with good pictures but it may not have gotten the attention it deserves. This is a must do on any gassers 2011 or older. The carb/air filter boot gets hard over time and even when new doesn't fit very well on the rear of the carb. This can cause frustration (best case) or unfiltered air (worst case) getting into your carb. The stock hose clamp will often pull the boot off the back of the carb when tightened. I suspect the boot is an unchanged design which is a problem since many older gassers had a carb spacer and some (mine) don't. The too-short design of the boot leaves constant tension on the hose clamp. This mod adds about 5/8" inch length to the boot so it puts slight tension against the carb instead of pulling on it.
The mod : I used the same part as Liamthon but got mine from plumbing supply for under $8. I cut the big end down to where there was 11/16" - 7/8" lip to fit over the rear of the carb. I also cut a ring off the front of the boot that measures 3/16' - 7/16 wide (see pics). On assembly I used the new hose clamp at the carb because an 8mm socket works on it. The photo with the carb in it shows why I cut the coupler at a slight angle - It allows the coupler to slide fully onto the carb and cover that small ridge in cast into the back of the carb. http://www.gasgasrider.org/forum/sho...=16277&page=81 |
#2
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I understand the problem of the poor fitting airbox boot. Your hose clamp to hold the boot on the plumbing adapter is fine. How does the fairly solid plumbing adapter seal tightly to the back of the carb? Just a press fit with no hose clamp? Or is your picture missing the clamp?
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2011 EC250E |
#3
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Quote:
Also glad i could help last a razer blade cuts that rubber like butter, 3 passes and it becomes supper a supper clean cut. Last edited by liamthom; 04-30-2015 at 05:47 PM. Reason: cutting tips, be careful. yet still poor understanding and reading skills |
#4
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Quote:
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#5
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Has anybody tried this on the newer bikes? I have a 2013 that is suffering from this issue, and I may attempt this mod. Would be MUCH cheaper than buying a new airbooT!
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#6
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I've found dropping the whole air boot into a bucket of hot/warm water works a treat to soften it up and allow you to reshape it to fit better.
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#7
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Maybe yours has the wrong boot? On my '12 it's pretty tight in there. You have to tilt the subframe up to get the carb in and out......
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#8
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It's stock... One side of the boot is completely misshapen.
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#9
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Okay, on my way home from work I stop by Lowe's and picked up the rubber coupler. :-) it took about an hour to get it put on. It looks like it's going to work perfectly!
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#10
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The bike runs much better now. Before, it was obvious I had an air leak... Seemed like the bike would rev really high when the clutch was pulled in.
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