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Re:gas mileage getting worse
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TOPIC: Re:gas mileage getting worse
#1023087
davej (User)
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Re:gas mileage getting worse 1 Month, 3 Weeks ago  
bdenzler wrote:
Thanks SKWEARpeg for the advise on the needle. That makes sense since the mileage went down over time. Sounds like gradual decay to me.

To answer Shores question they only had BAC's when I bought this 2001 new. $150 for the BAC plus costs for a re-jet kit. I think the K&N I bought was $25. Plus the 3m goop I think $3.50 way cheaper and I am still using it till this day. Seemed like a good idea at the time.


He isn't talking about a BAK. He is talking about a K/N replacement filter that replaces and installs in the stock air box.
 
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#1023089
Shores (User)
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Re:gas mileage getting worse 1 Month, 3 Weeks ago  
davej wrote:
bdenzler wrote:
Thanks SKWEARpeg for the advise on the needle. That makes sense since the mileage went down over time. Sounds like gradual decay to me.

To answer Shores question they only had BAC's when I bought this 2001 new. $150 for the BAC plus costs for a re-jet kit. I think the K&N I bought was $25. Plus the 3m goop I think $3.50 way cheaper and I am still using it till this day. Seemed like a good idea at the time.


He isn't talking about a BAK. He is talking about a K/N replacement filter that replaces and installs in the stock air box.


Yes, I'm talking about this, not a BAK. Goes inside the stock box and doesn't require re-jetting.

http://www.ebay.com/itm/Yamaha-K-N-Air-Filter-DBY-ACC56-12-85-XV17-Roadstar-Silverado-YA-1704-/331963082019?hash=item4d4a8aa523:g:FI8AAOSw~gRVnUy2&vxp=mtr
 
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Last Edit: 2017/09/29 15:10 By Shores.
 

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#1023236
bdenzler (User)
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Re:gas mileage getting worse 1 Month, 3 Weeks ago  
So I am guessing I need a needle set and a main nozzle?
 
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#1023238
SKWEARpeg (User)
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Re:gas mileage getting worse 1 Month, 3 Weeks ago  
bdenzler wrote:
So I am guessing I need a needle set and a main nozzle?

Start with what you need. Do the needle and seat(float valve), and while your in there, check the jetting to make sure its stock. Write down everything that's stamped on the jets, not just the size. A magnifying glass helps a lot.
 
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#1023240
bdenzler (User)
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Re:gas mileage getting worse 1 Month, 3 Weeks ago  
so that would be a needle set and the main nozzle?
 
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#1023242
SKWEARpeg (User)
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Re:gas mileage getting worse 1 Month, 3 Weeks ago  
bdenzler wrote:
so that would be a needle set and the main nozzle?


No, that would be the needle and seat. It comes as a set, with a new oring on the seat half of the float valve.
I'm not really sure what your talking about, when you say main nozzle.
 
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#1023243
bdenzler (User)
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Re:gas mileage getting worse 1 Month, 3 Weeks ago  
please excuse the second post of the same. I see in the IPB that it is the .Needle Valve Set
4SV-14107-20-00 5UH-14107-20-00. I now see the o ring you are speaking of. Thanks again.
 
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#1023387
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Re:gas mileage getting worse 1 Month, 3 Weeks ago  
Yea I got that but these were not available at the time I made the filter for my scoot. When I if ever need to replace my "home made" filter I will surely invest in one of those. BTW just picked up my needle set today and hopefully replace it Sunday after I finish cleaning up after Irma destroyed a bunch of crap at my place. We got hit pretty hard here in Brevard County. Just wanted to have no misunderstandings.
 
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#1024836
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Re:gas mileage getting worse 2 Weeks, 6 Days ago  
Well mileage is now back to normal. 43 when running slow and 39 when i get down the road. Thanks for the advise on the fix. Only took me three try's until I got iy not to leak. Float bowl gasket issues which I resolved. Thanks again SKWEARpeg....
 
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#1024841
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Re:gas mileage getting worse 2 Weeks, 6 Days ago  
Im glad that fixed it. Its usually the oring on the seat, that starts letting fuel past. Once it starts leaking, it can get bad to the point of the bike not even running in pretty short order.

Was it the little bitty oring on the flange, the one that seals the accel pump, that mysteriously disappeared? They have a habit of doing that.
 
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