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chaza |
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chaza Nova Slayer
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 16:19 - 17 Nov 2018 Post subject: |
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From pictures, if they are facing sideways, they are drain screws, if they are facing down, they are the mixture screws. Do not mess with them. Whatever your problem may appear to be, altering the pilot screw position is invariably not the solution.
Unless that problem is either "Someone has fiddled with my pilot screw and now my bike wont idle." or "I have radically altered the state of tune of my motorcycle and while it is idling pretty well, I think it could be tweaked so it runs marginally better." ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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chaza |
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chaza Nova Slayer
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virus |
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virus World Chat Champion
Joined: 17 Aug 2006 Karma :
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chaza |
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chaza Nova Slayer
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virus |
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virus World Chat Champion
Joined: 17 Aug 2006 Karma :
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Posted: 00:02 - 18 Nov 2018 Post subject: |
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different parts off the carburetor control the mixture at different RPMs, a basic plug check wont tell you what part of the rev range needs altering so you need to do a plug chop or a dyno run.
I suggest looking into plug chops, its cheaper than dyno time.
Cheers
John ____________________ own: 81 xs1100g...
owned: 85 rat CG (sold), 91 GS500e (stolen), 84 gsx400f (scrapped), 81 z250 (siezed, siezed, scrapped), 83 cb250rs (sold), 84 gpz750r ratfighter (killed) 84gpz400 (sold), '80 cb650 ratfighter (wrote off) 95gsx6/12f ratfighter (killed) 91 xj900 (sold)
stinkwheel Well I just had my hands up a pigs fanny. Which makes your concerns pale into insignificance. |
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 00:10 - 18 Nov 2018 Post subject: |
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If it's idling normally, don't touch the mixture screws. they only control pretty much the bottom 10% of the rev range.
At what point of the rev range is this dead spot? Have you altered any of the engine componants from standard? When did you last clean your air filter?
Is it burning oil (you having to top it up, get someone to follow you and look for puffs of blue smoke under acceleration or on the overrun)? Black plug electrodes can also result from burning oil. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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Triton Thrasher |
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Triton Thrasher Could Be A Chat Bot
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chaza |
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chaza Nova Slayer
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chaza |
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chaza Nova Slayer
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 14:22 - 18 Nov 2018 Post subject: |
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chaza wrote: | I have had to change the floats, the old ones were full of fuel which effected the buoyancy which is why it was pis sing fuel out of the overflow. So after reinstall, the rubber on the filter side are not on perfectly yet, but I started her this morning, she starts ok, she needs choke, but it is cold, the dead spot seems to be at the start, she seem to unresponsive for the first second or two.
I'll take her out for a test drive again, the last test was just a short one.
Thanks guys |
If the airbox rubbers aren't fitted properly, you can't make any judgements about how it's running.
If it is an unmodified bike, it should run perfectly well with all the screws in factory position and standard jetting. You've fixed the punctured float, if it was starting and idling well before that happened, it should do so now on exactly the same settings it's always been on.
Check the air filter and engine oil level. Sometimes fuel can land up overflowing into the airbox or engine if you've had leaky floats. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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chaza |
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chaza Nova Slayer
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chaza Nova Slayer
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Robby |
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Robby Dirty Old Man
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Robby Dirty Old Man
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chaza Nova Slayer
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Old Thread Alert!
The last post was made 5 years, 145 days ago. Instead of replying here, would creating a new thread be more useful? |
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