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Post subject: RD350LC not happy to get into the Powerband
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500comet  Find me a Road! Joined: 16 Sep 2007 Total posts: 15 Location: Little Baddow Essex |
Still having a problem with the bike bogging down just below the powerband. Sometimes it hits the powerband OK but at about 7500revs instead of the 6000 or so it used to be before a 5 months layup.
A friend who used to race an RD 350LC thinks it may be because the needle valves in the float chambers are not sealing properly and the float level is not constant so the mixture keeps changeing. We have in fact a frequent problem in this area, in that sometimes the carbs flood and you have to tap them to stop this - though mostly engine vibration seems to make the seat seal. Where can I get some new float chamber needles please for a reasonable price, so that I can check if this is my problem because obviously all is not well here?
The problem with flooding is not the usual one by the way, where a fuel filter has a hole in it and lets grot from the tank get stuck under the float needle - the filter is OK.
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Posted: Fri Apr 25, 2008 9:53 pm
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Laurel&RD All-gear Wheelie! Joined: 26 Aug 2003 Total posts: 1578 Location: commuter belt, almost Hertfordshire... UK |
If you're in Essex you may not be too far from Stinkwheels/Gibson Exhausts, worth giving them a shot at it if you can't get a solution
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Posted: Sat Apr 26, 2008 7:57 pm
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Drewski Ace of Spades Joined: 29 Apr 2006 Total posts: 4893 Location: The Bunker,Cambridge, UK |
The needles can look ok but in fact the rubber has petrified so the pressure of the floats isn't enough to seal. If Stinkwheels can't help with replacements, maybe try Allens Performance
http://www.allensperformance.co.uk/
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Posted: Sat Apr 26, 2008 9:30 pm
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500cometFind me a Road! Joined: 16 Sep 2007 Total posts: 15 Location: Little Baddow Essex |
Thanks for the addresses for spares - will try them next week
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Posted: Sun Apr 27, 2008 9:31 am
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Vindaloobeast Rear-wheel Steering! Joined: 25 Aug 2005 Total posts: 2609 Location: Gloucester |
| Drewski wrote: |
The needles can look ok but in fact the rubber has petrified so the pressure of the floats isn't enough to seal. If Stinkwheels can't help with replacements, maybe try Allens Performance
http://www.allensperformance.co.uk/ |
What rubber..?
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Posted: Sun Apr 27, 2008 3:37 pm
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