Wilsons Sandbox

> And the gas tank is pressurized. > > When I open the fuel filler cap, there is a big WHOOSH and fumes are > > coming out. > > Reasons I can think of for smelling gas in the vicinity of the > bike: > Float bowl needle/seat leaking > petcock not sealing > leaks from hoses or whatever > > Reasons for the fuel tank being pressurized. > I have no idea. > > > Any clues from y'all? > > > > -- > Robert P Wichert P.Eng. Inc. > LEED AP, HERS II, CEA > +1 916 966 9060 > FAX +1 916 966 9068

On 6/9/2013 12:07 PM, Jeff Saline wrote: > > On Sat, 08 Jun 2013 20:35:22 -0700 RobertWichert > > writes: > > And the gas tank is pressurized. > > > > When I open the fuel filler cap, there is a big WHOOSH and fumes are > > > > coming out. > > > > Reasons I can think of for smelling gas in the vicinity of the > > bike: > > Float bowl needle/seat leaking > > petcock not sealing > > leaks from hoses or whatever > > > > Reasons for the fuel tank being pressurized. > > I have no idea. > > > > > > Any clues from y'all? > > > > > > > > -- > > Robert P Wichert P.Eng. Inc. > > LEED AP, HERS II, CEA > > +1 916 966 9060 > > FAX +1 916 966 9068 > <><><><><><><> > <><><><><><><> > > Robert, > > I'll suggest that is a classic symptom of a clogged fuel cap vent system. > > The stock vent system when operating correctly works both ways. > > See this thread for a detailed procedure for inspecting the fuel cap. It > takes me about 15-30 minutes to do it depending on how dirty the cap has > become. > > http://www.klr650.net/forums/showthread.php?t=101547 > > You may have to register to see this thread but it should be worthwhile. > > Best, > > Jeff Saline > ABC # 4412 South Dakota Airmarshal > Airheads Beemer Club www.airheads.org > The Beautiful Black Hills of South Dakota > 75 R90/6, 03 KLR650 > > . > . > . > . > . > __________________________________________________________ > BlackBerry 10 > Get the latest details on the new BlackBerry 10 smartphone. > http://thirdpartyoffers.juno.com/TGL3141/51b4d399cab115399137fst02vuc > > -- Robert P Wichert P.Eng. Inc. LEED AP, HERS II, CEA +1 916 966 9060 FAX +1 916 966 9068 [Non-text portions of this message have been removed]

> This cap is brand new, Jeff. > > Are you sure it works both ways? > > > Robert

>Thanks Randy! > > >On 6/9/2013 10:17 AM, SniperOne wrote: > >If the diaphragms are damaged, cracked, split, etc, it can leak fumes past. Mine does that now that I modified them to give better venting. It also leaks fuel when it takes a dirt nap... > > >If it is building internal pressure from the heat of the day, then the outward venting of fumes is somewhere small enough to hold some pressure in the tank. That's why I suggested the main vent line is plugged or pinched and its forcing fumes up around the cap area. Hum, check the cap seal and springs maybe? I had to replace my rubber cap seal when it got dry and didn't seal. > > >All just food for thought...these things can drive us nuts. Mine irritated me for months till I converted the petcock to gravity feed. When that fixed it I finally realized the issue was not enough vacuum to hold the petcock open at speed on a hot day. Frustrating and intriguing at the same time. > > >Let us know what you eventually find. > > >Randy > > > > > > > >Sent from my Verizon Wireless 4G LTE DROID > > > >RobertWichert wrote: > >I think that the cap is "flow inward" only. > > >Robert Wichert P.Eng. LEED AP BD&C +1 916 966 9060 FAX +1 916 966 9068 =============================================== On 6/8/2013 9:39 PM, SniperOne wrote: > >Possible blocked or pinched vent line off the tail of the tank. Disconnect and blow it out with compressed air. > > >Possible failure of vent in the gas cap. It can be cleaned, be careful with the diaphragms or you'll be buying a new assembly from Fred. > >Randy > > >Sent from my Verizon Wireless 4G LTE DROID > > > >RobertWichert wrote: > > > >And the gas tank is pressurized. > >When I open the fuel filler cap, there is a big WHOOSH and fumes are >coming out. > >Reasons I can think of for smelling gas in the vicinity of the bike: >Float bowl needle/seat leaking >petcock not sealing >leaks from hoses or whatever > >Reasons for the fuel tank being pressurized. >I have no idea. > >Any clues from y'all? > >-- >Robert P Wichert P.Eng. Inc. >LEED AP, HERS II, CEA >+1 916 966 9060 >FAX +1 916 966 9068 > > > > > > >-- Robert P Wichert P.Eng. Inc. LEED AP, HERS II, CEA +1 916 966 9060 FAX +1 916 966 9068

> >If the diaphragms are damaged, cracked, split, etc, it can leak fumes > past. Mine does that now that I modified them to give better venting. > It also leaks fuel when it takes a dirt nap... > > > > > >If it is building internal pressure from the heat of the day, then the > outward venting of fumes is somewhere small enough to hold some pressure > in the tank. That's why I suggested the main vent line is plugged or > pinched and its forcing fumes up around the cap area. Hum, check the > cap seal and springs maybe? I had to replace my rubber cap seal when it > got dry and didn't seal. > > > > > >All just food for thought...these things can drive us nuts. Mine > irritated me for months till I converted the petcock to gravity feed. > When that fixed it I finally realized the issue was not enough vacuum to > hold the petcock open at speed on a hot day. Frustrating and intriguing > at the same time. > > > > > >Let us know what you eventually find. > > > > > >Randy > > > > > > > > > > > > > > > >Sent from my Verizon Wireless 4G LTE DROID > > > > > > > >RobertWichert > wrote: > > > >I think that the cap is "flow inward" only. > > > > > >Robert Wichert P.Eng. LEED AP BD&C +1 916 966 9060 FAX +1 916 966 9068 > =============================================== On 6/8/2013 9:39 PM, > SniperOne wrote: > > > >Possible blocked or pinched vent line off the tail of the tank. > Disconnect and blow it out with compressed air. > > > > > >Possible failure of vent in the gas cap. It can be cleaned, be careful > with the diaphragms or you'll be buying a new assembly from Fred. > > > >Randy > > > > > >Sent from my Verizon Wireless 4G LTE DROID > > > > > > > >RobertWichert > wrote: > > > > > > > >And the gas tank is pressurized. > > > >When I open the fuel filler cap, there is a big WHOOSH and fumes are > >coming out. > > > >Reasons I can think of for smelling gas in the vicinity of the bike: > >Float bowl needle/seat leaking > >petcock not sealing > >leaks from hoses or whatever > > > >Reasons for the fuel tank being pressurized. > >I have no idea. > > > >Any clues from y'all? > > > >-- > >Robert P Wichert P.Eng. Inc. > >LEED AP, HERS II, CEA > >+1 916 966 9060 > >FAX +1 916 966 9068 > > > > > > > > > > > > > >-- Robert P Wichert P.Eng. Inc. LEED AP, HERS II, CEA +1 916 966 9060 > FAX +1 916 966 9068 > > [Non-text portions of this message have been removed] > > > > No virus found in this message. > Checked by AVG - www.avg.com http://www.avg.com> > Version: 2012.0.2242 / Virus Database: 3199/5897 - Release Date: 06/09/13 >

> Who has the petcock block-off plates and gaskets from a few weeks ago > on the > list? > > Thanks, > > Randy > > SniperOne