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Messages - toz

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1
British Bikes / Re: 1972 T120 Bonneville prob.
« on: July 29, 2014, 12:35:53 AM »
Thanks then.

2
British Bikes / Re: 1972 T120 Bonneville prob.
« on: July 22, 2014, 03:34:31 PM »
Took it all to bits again, made sure all surfaces were flat, made new gaskets, raised the float just a little...... checked for play in the slide and there is a little bit, hmmm,...... put it back together and she runs like a dream ;D.

I think it was air sneaking in at the carb flange or the bowl. Anyway its sorted.

Thanks.


On another note, I noticed a little oil in the timing housing, it has electronic ignition, could this cause a prob?

3
British Bikes / Re: 1972 T120 Bonneville prob.
« on: July 21, 2014, 11:05:54 PM »
Ok will do. ta.

4
British Bikes / Re: 1972 T120 Bonneville prob.
« on: July 21, 2014, 09:34:34 PM »
Thanks,......... I must say sucking air is just right I think. Cant see where other than by the slide so I must consider that to be the problem.

Cheers.

5
British Bikes / 1972 T120 Bonneville prob.
« on: July 21, 2014, 02:18:50 PM »
I'm sick of trying to find the problem here.

Bike starts and runs ok but revs don't drop immediately when changing gear, it seems to stick a bit, yet the slide is dropping fine. Oh and tick over isn't great.

Had the carb off more times than I care to mention, float is set, jets all clean, timing is ok I think.

Any ideas chaps?

6
British Bikes / Re: pilot jet
« on: August 11, 2011, 10:55:16 AM »
Gave mine a bit of a poke out last week, the improvement in the smoothness of the running and tickover has been amazing. Engine runs a lot cooler too it seems,It may have been slightly blocked and running too lean.

7
British Bikes / Re: Sunday afternoon rideout scuppered
« on: August 07, 2011, 06:43:25 PM »
On the other hand you cant beat a nice siesta after a good feed.

Its an age thing. ::)


I went out on the bonnie, came home had sunday lunch and then a sleep, best of both worlds.  ;D

8
British Bikes / Re: Engine rotatio
« on: August 04, 2011, 09:50:10 AM »
Camshaft goes clockwise as you look from the timing side I believe.

9
British Bikes / Re: Auction House Blues
« on: August 03, 2011, 04:00:20 PM »
They are worth what someone will pay,. simple as that.

As a teenager, early 70's, I used to stand and drool over the new Triumphs in the window of Grays of West St, Sheffield. I would dream that one day I would have one for myself, sadly I could never afford one. Best I did was an old Villiers.  Women, children and mortgages then got in the way for 30 odd years.

Not now though.   ;D

If anyone would deny me thats their problem.

10
British Bikes / Re: 1972 T120R
« on: August 01, 2011, 03:13:06 PM »
Maybe so, new to these old bikes. learning is the best bit though.

No one likes a know it all do they :-*

11
British Bikes / Re: 1972 T120R
« on: July 31, 2011, 11:18:28 AM »
Well, the new battery sorted the running out and she goes fine. I then noticed the throttle sticking on,.... just a bit now and then.

Carb off, cleaned the slide and everything, put back together and it was stuck solid. As I loosened the manifold bolts to take it off again I heard the slide drop down. Weird, but if I over tighten the manifold bolts the slide is stuck and if I just nip them up its fine. I can only assume that the tightening of the bolts distorts the body of the carb somehow,....... strange I think.

I have to say, its been a lot of years (30) since I tinkered about with bikes. Loving it though, its almost as good as riding them. :D

12
British Bikes / Re: 1972 T120R
« on: July 25, 2011, 09:07:50 PM »
Yup Battery is goosed, bike ran but dies as soon as I put lights on, battery soon went to 7v.

The one on is a 12N9 4-B-1  Is that ok?  If so I will replace with the same.

Good call Rex.

13
British Bikes / Re: 1972 T120R
« on: July 25, 2011, 07:18:50 PM »
Hmmm, charged battery over night, only reads 10.7v on newly bought volt meter this evening.

On charge again and gone up to 11.7 in an hour.... not holding charge I would say. Will pop it back on bike later and see if it runs ok for a bit when just charged.

14
British Bikes / Re: 1972 T120R
« on: July 24, 2011, 09:43:29 PM »
It did cross my mind Rex, dismissed it though. :-[

Will give it a go,

Thanks.

15
British Bikes / 1972 T120R
« on: July 24, 2011, 06:24:48 PM »
Bike been laid up for 3 weeks as I have been away. Just before I went I noticed her popping back through the carb now and again but nothing serious.

Today she ran like a pig, ok one min then failing, then ok, finally she stopped and for the first time I had to push her home.

Fuel or ignition I thought and went for ignition first, spark looked ok but maybe a bit weak sometimes, it has a Boyer on. Plugs not black but a nice colour.

Checked the carb and noticed her leaking fuel out of the tickler on an intermitant basis, flooding out sometimes. Float seems ok but main jet did have a bit of something in there, blew it out. Got her going again but difficult to start and when I do she is popping and farting like a good un. Runs ok once going at a good pace but stops when I have to slow down, difficult to keep her going.

Im thinking carb. Any offers please.

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