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Tiger Time => Steamers (1993-1998 Tigers) => Topic started by: shack on May 06, 2011, 06:12:30 PM

Title: New toy but rev and fuel issues
Post by: shack on May 06, 2011, 06:12:30 PM
Hi again, well the old girl isn't as noisy in the flesh, took her for a blast but died after 8 miles. I started her up and put it onto reserve as had been turned off for transport and fuel light was on. I put about 15lt of fuel in having tuned in onto the 'on' position, revs fluctuate when your going along at a constant speed (flat road any gear) the rev wobble range appears to be anywhere between 4.5-5.5K revs, altough bike doesnt surge back and forth with the engine fluctuations the delivary isnt there, anyway after overtaking a coach on a dual carriage way it proceeded to die (typical timing) and coasted into the hard shoulder and pushed it to layby (mine these girls weigh a bit) it only fired up again when I put her back on 'res' and rode home, but the dodgy rev wobble is still there.

Any help welcome, work has been done (see Een's posts about redoing airbox and sealing things)

I think she will be great but need to finish the niggles off/ sort them out.
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Post by: Mustang on May 06, 2011, 07:40:47 PM
That's where she comes off the pilots and onto the mains and needle. clean the carbs most likely
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Post by: shack on May 07, 2011, 10:47:54 PM
When I filled up I noticed some (excuse ignorance) what appeared to be a thin veneer of foil type material in the inside of the filler neck, which wasn't intact (ie only small patched left) I nudged a bit off and managed to stop that bit falling into the tank.
Questions- Any idea what is was, where it came from and is it normal (never noticed anything like it in any of the previous 14 bikes I've owned over the years)
Where might those bits end up? eg carbs or is there an in tank filter? is there space and pipes etc for another in line filter between tank and carbs? (sorry newbie questions, only had her a few days)
I've ordered some silkolene fst pro fuel addative to help clear and clear things out as friends sware by the said  snake oil !
Thanks as ever. Shack
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Post by: een705 on May 08, 2011, 04:08:23 PM
Hi Shack I would do as you are doing and add the fuel additive I wouldnt be to keen on stripping carbs down just yet. I would also take the petrol pipe off the fuel tap and see if fuel comes out when in normal position.  I would think an inline filter wouldnt be to hard to fit. Hope you sort it soon and im sure with the people on here you will. Maybe try to PM coolhandluke as he offered to come and have a look when I had her and he is a lot nearer to you than me. Just a thought.
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Post by: shack on May 08, 2011, 09:29:41 PM
Thanks een705, I shall have a fiddle (and not rushing to touch carbs at all) :wink:  I'm waiting patiently for the addative (and my haynes manual) to arrive.
I've been cleaning and tidying as time (and weather) allows, just want to iron out the niggles and then get some miles on her :wink:
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Post by: akendall1966 on May 08, 2011, 10:18:42 PM
Looks a little like POR15 a tank sealer.
http://www.frost.co.uk/automotive-tanks ... r-kit.html (http://www.frost.co.uk/automotive-tanks-products/por15-car-tank-repair-kit.html)

It looks like grey metalic paint, or at least it dose in the tank I used it on. But that was a metal tank not plastic which it is not supposed to be used. It would be all over the inside not just round the filler though.

There is guaze filter on the tap, which would catch bigger bits. That would tend to glog at the bottom. So could restrict fuel when low or on reserve.

Hopefuly not could be bit trickky to clean it out.
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Post by: shack on May 09, 2011, 11:35:32 AM
Thanks for that, I will clean out the guaze, I was thinking or some kind of hi-flo in-line filter, has anyone fitted one (if so which one, where and how is it)
Shack
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Post by: rybes on May 09, 2011, 11:41:12 AM
i got none of the filters triumph fit just one universal 8mm inline filter between the tap and carbs. never gave me a problem.
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Post by: shack on May 10, 2011, 10:55:41 AM
Thanks again, I shall check out some in-line filters as well, and see how much space I have to play with between the tap and carbs, I notice that the filters come in all shapes and sizes, Rybes I don't suppose you can remember where you got yours from (or even a piccy of said filter insitu)
I let you all know how I get on.
Shack
Title: Irratic Revs
Post by: shack on May 13, 2011, 01:06:09 PM
Hi Folks, well my revs appear to have no bearing on what I'm doing today, and the way home I was travelling about 30mph in probably 4th gear at a constant speed and the rev needle was jumping up and down (inc upto the redline) with no noticable change in engine noise, and no different response in power ie no massive lurching or backing off with the rev counter!

Any ideas at all?
Title: Re: Irratic Revs
Post by: Mustang on May 13, 2011, 01:28:34 PM
Quote from: "shack"Hi Folks, well my revs appear to have no bearing on what I'm doing today, and the way home I was travelling about 30mph in probably 4th gear at a constant speed and the rev needle was jumping up and down (inc upto the redline) with no noticable change in engine noise, and no different response in power ie no massive lurching or backing off with the rev counter!

Any ideas at all?
two things
1. the tachometer itself is toast or:
2. the igniter which sends the signal to the tach is buggered

either one is not a cheap fix  .
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Post by: shack on May 13, 2011, 09:33:59 PM
is it easy to work out which one it is (and I don't suppose it might be contributing to pants performance :cry: )
Do they have any diagnostic plug in's? (It's a UK K-reg 1993) as might be worth the £50 to get it fettled and set up once and for all, I did spot a couple of plug in wires that look likely (or it might be a plug in bit for an alarm?)
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Post by: Mustang on May 14, 2011, 01:05:05 AM
triumph has a special scanner for the igniter ...easier to just try a tachometer from any  t309/409 triumph 3 cylinder if it still wont work it is the black box .
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Post by: shack on May 15, 2011, 10:02:28 PM
Well after giving the tank a good flush through and cleaned the filters, she is running better and smoother than before (wasn't hard  :shock: ) might well stick an in-line filter in the mix as well at some point.
Whilst the tank was off I went through checking and cleaning connections as I went. I took her out for a 10mile blast and the tach needle behaved itself, so I'm hoping it was just a gremlin.
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Post by: R0B on May 16, 2011, 09:18:38 AM
If you need a '93 igniter, let me know as I have one...........and I have a clock set.

Rob
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Post by: shack on May 20, 2011, 11:12:09 PM
Thanks for that, I've been away and not had a chance to give the ole girl a good blast, I'll be in touch if it plays up again.
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Post by: shack on May 24, 2011, 03:20:00 PM
After checking all connectors, and flushing the filters I've had No issues (happy Chappy) I've put on some after market mirrors (cheap and cheerful-ish) prob is I can't get a clear lmage (high freq wobble type thing) they are in tight, Q could I stick a rubber washer in or something to act as a damper, or do folks have any other ideas that might work?
Cheers all.
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Post by: Mustang on May 24, 2011, 04:03:12 PM
Quote from: "shack"I've put on some after market mirrors (cheap and cheerful-ish) prob is I can't get a clear lmage .....................................................or do folks have any other ideas that might work?
Cheers all.
yeah the original mirrors ............seriously ,the OEM mirror glass rests on 4 rubber plugs inside the plastic housing .
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