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Post subject: 31k splutter cure for my bike..
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gary-rd-robbo ![[RD/RZ Blood Donor]](../img/pipsvip.jpg "RD/RZ Blood Donor")
RD/RZ Blood Donor One-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
Well some of you may be/not interested but posting due to others that may want info to a spluttering 31k that is stock.
Every jet was washed/ blown through with carb cleaner the bodies cleaned very well and lot of time paid to the airways and cleaned out again carb cleaner and pipe cleaners etc and then in an ultrasonic bath etc and dried properly.
all the jets were all ok and well and all the standard settings were achieved and on the bike they went.
spluttery as chuff up to 5k then off like a rocket...
tried needles up/down no joy.
decided to fit new and was amazed they come with clips etc in a kit and also 2 new rubber cable top seals were bought.
now its 100% cured!!!! i guess the needle was naff so i got under a magnifier and sure enough pitted /corroded.
the "seal" was i suppose leaking a small amount of air down into the slide to add further problems.
the cabel adjusters now are very firm to stiff in the carb tops compared to the slop i had previous so can only conclude my findings...
just wanted to share these findings and may well help if you have problems
the needle kits were quite cheap to say you got new clips etc and screws etc too.
the old seals were rock hard but didnt think that these could make such a difference...plug colours now ok and hardly any problems through the band at all .
the carbs are proper 31k's on 240 mains and bike is stock.
pics below of the parts.
gaz
http://i242.photobucket.com/albums/ff24/garyrdrobbo/31kcarbbits.jpg
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Last edited by gary-rd-robbo on Wed Jun 18, 2008 6:21 pm; edited 1 time in total
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Posted: Wed Jun 18, 2008 4:41 pm
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| IanG1 Joined: 03 Aug 2003 Total posts: 1281 |
How much was the needle kit Gary?
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Posted: Wed Jun 18, 2008 5:30 pm
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gary-rd-robbo
RD/RZ Blood DonorOne-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
ian...i suppose it depends who you get it from but mine were £16 a set and seal £3 that was the shock the seal!!!
btw the needles are for 31k only and have 5k1 on them...the f2 etc have a different needle number and part number.
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Posted: Wed Jun 18, 2008 5:54 pm
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jante350 RD/RZ Jedi Master Joined: 05 Aug 2003 Total posts: 5229 Location: Bergen, Norway |
Yep, I had the same issues on my aircooled, the tapered needle was worn so bad it spluttered like hell on the transition onto the pipe, using tons of fuel and killing plugs.. the wear was very visible to the eye, new needles sorted it out for sure.
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Posted: Wed Jun 18, 2008 6:17 pm
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TOUT Powerband Master Joined: 17 Jan 2004 Total posts: 782 Location: wigan |
Gaz,
Can`t place the seal ?  .
the screw on carb top has a flat ring seal ? sure doesn`t look like the one in your piccy...........what seal is it ?
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Posted: Wed Jun 18, 2008 6:31 pm
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gary-rd-robbo
RD/RZ Blood DonorOne-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
this goes over the cabel guide and over the ring and onto the stub on the carb top..hard to describe but was on the fisch but cant post up on here...can pic the carbs if you want...may some great forum dood can post it up but dont have the pic to hand...soz
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Posted: Wed Jun 18, 2008 6:44 pm
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Shytalk Regular Racer Joined: 13 May 2005 Total posts: 341 Location: Staffordshire |
Item 24 Tout..................... 
http://i46.photobucket.com/albums/f133/350LC2/CarbTop.jpg
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Posted: Wed Jun 18, 2008 6:57 pm
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TOUTPowerband Master Joined: 17 Jan 2004 Total posts: 782 Location: wigan |
fingers on the pulse now...cheers.
had the flat ring-seal in the screw top,cause problems before...assumed item 24 was just a dust cover. 
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Posted: Wed Jun 18, 2008 11:04 pm
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gerrywilson Suburban Commuter Joined: 04 Sep 2007 Total posts: 82 Location: toronto/ durham |
Gaz, thanks for the info, i can understand the needles, but never would have even looked at the seals (i aso thought they were dust covers)
did you do both parts at the same time, (needles first, then seals)
Gerry
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Posted: Thu Jun 19, 2008 12:25 am
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Post subject: Parts
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| Portuga Got the Powerband! Joined: 12 Jun 2008 Total posts: 8 |
see your PM.
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Posted: Thu Jun 19, 2008 2:41 pm
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gary-rd-robbo
RD/RZ Blood DonorOne-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
| gerrywilson wrote: |
Gaz, thanks for the info, i can understand the needles, but never would have even looked at the seals (i aso thought they were dust covers)
did you do both parts at the same time, (needles first, then seals)
Gerry |
wotever they are the cable guides are now stiff to turn and not "baggy" i ordered due to mine being like 2 rock hard lumps so did both together due to cable had to be fitted through the seal/cover...i can only say that fitting both items cured the problem so have to say likelyhood of the needles sorting the fault ,would be 80% and clean seal on the top say the rest...who knows...just posted to give info and p.no for you all hope it helps someone 
gaz
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Posted: Thu Jun 19, 2008 7:59 pm
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gerrywilsonSuburban Commuter Joined: 04 Sep 2007 Total posts: 82 Location: toronto/ durham |
| gary-rd-robbo wrote: |
| gerrywilson wrote: |
Gaz, thanks for the info, i can understand the needles, but never would have even looked at the seals (i aso thought they were dust covers)
did you do both parts at the same time, (needles first, then seals)
Gerry |
wotever they are the cable guides are now stiff to turn and not "baggy" i ordered due to mine being like 2 rock hard lumps so did both together due to cable had to be fitted through the seal/cover...i can only say that fitting both items cured the problem so have to say likelyhood of the needles sorting the fault ,would be 80% and clean seal on the top say the rest...who knows...just posted to give info and p.no for you all hope it helps someone
gaz |
it certainly does help.
if anybody wanted to check, i guess you could fill them with grease, just to test for a improvement.
again thanks ( i will copy and staple to the garage wall .)
gerry
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Posted: Thu Jun 19, 2008 10:31 pm
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