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Messages - Grunt

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76
British Bikes / Re: T120 Fork slider dilemma.
« on: April 10, 2017, 03:34:55 PM »
All's well that ends well. New slider arrived today with the correct size spindle groove and for the record it has the letter 'J' stamped on the lower end. Once again thanks to L.A.B for your help.

77
British Bikes / Re: anyone used an additive in their Triumph
« on: April 09, 2017, 10:30:03 AM »
I occasionally used it years ago but came to the conclusion that the only thing that got extra lubrication was the manufacturers palm. With modern oils I really don't think there is a need for them. I tried something similar out of desperation in my Land Rover engine a few years ago but wasn't surprised when none of their claims came to anything.

78
British Bikes / Re: T120 Fork slider dilemma.
« on: April 08, 2017, 10:52:01 AM »
Sorry my mistake it is L.P. Williams. To be fair to all the suppliers I spoke to they were knowledgeable, courteous and all seemed busy, I also may not have explained myself very well.

The more accurate dimensions of my conical hub wheel spindle are. Fork cap location area 17.17mm diameter. Bearing area 20.00mm diameter.

79
British Bikes / Re: T120 Fork slider dilemma.
« on: April 07, 2017, 05:42:56 PM »
Thanks once again for your reply L.A.B.

So do you reckon I was sold a disc braked r/h slider to fit the drum braked l/h fork?

Making up shims was my thought but I've managed to source a new one from A.P. Williams. It goes by the correct part number 97-4342. But the guy on the phone said conical hub and disc models had the same size spindle. As did several other suppliers. So I do have my suspicions and will only believe it's the correct on when it gets here.

80
British Bikes / T120 Fork slider dilemma.
« on: April 07, 2017, 02:53:34 PM »
I'm currently rebuilding my '72 T120v  Bonneville. I've just rebuilt the fork legs, the left hand slider has an oversize wheel spindle groove in the bottom, approximately 19mm diameter as opposed to 17mm which is what the spindle measures and the studs are on wider spacing. The right hand slider has the correct size groove.

Both sliders were replaced as a pair in the past though I can't remember quite when. I still have the original ones, the spindle grooves are the correct size on these. The three sliders with the correct groove have a letter 'J' stamped whereas the incorrect one doesn't have any markings.

I haven't a clue how I managed to fit the end cap all those years ago or why I didn't notice it then!

Does anyone have any idea what the offending slider may be off. I've rang a few suppliers to try and get another one but so far I haven't been able to get hold of one and no one seems to know why its got a bigger spindle groove in it. Apparently all concical hubs were the same and even the disc braked models had the same size spindle.

81
British Bikes / Re: oil in frame tank mounting
« on: January 20, 2017, 06:17:58 PM »
because the early OIF tanks didn't have a reinforcing strap so they often split.

That's what happened to the previous ones even though they had the strap across the bottom.

I wasn't aware the earlier Triumphs had transfers on the tank. Thanks for the information.

 I also in the dim and distant past got a pair of replacement air filter covers which were made from ally rather than the original plastic ones, which had split and distorted to the point of being scrap. Because the ally ones never fitted properly I was thinking of replacing the complete side panel unit for one of the reproduction oil tank lookalike modern replacements. Has anyone got any thoughts on the quality of these panels, and the new fuel tanks.

Once again thanks for your replies.

82
British Bikes / Re: oil in frame tank mounting
« on: January 20, 2017, 03:51:57 PM »
Thanks for the incredibly quick reply L.A.B.

The tank is one of the parts that has been replaced, more than once. I currently have the raised seam type but it hasn't got any badge mounting holes. So I can't recall how I came to the conclusion but I think that it's a BSA tank. However I am toying with the idea of replacing it with a new UK made US style tank. But need to see the quality of them before I come to any firm decisions.

As far as the bolt is concerned it's just the diameter I needed. I will redesign the whole set up, making the new bracket with a closed slot, a one off machined nut with flats machined on it and a stud of the required length loctited into the nut once it has been inserted into the bracket. Ok it won't be original and may upset the purists but the whole bike has, over the years become a Bitsa purely because a younger me has done what he had to to keep the bike on the road.

Thanks again for your help.

83
British Bikes / oil in frame tank mounting
« on: January 20, 2017, 02:14:21 PM »
Hi new member here but I've been dipping in and out for some time now.

I am rebuilding my '73 T120V, it's been languishing in the back of shed number two for over 20 years and has got into a bit of a state. I've owned it since '76.  Over the years I think I've replaced everything except the frame and seat base. The first thing to go west was the engine, it spat a gudgeon pin out of the crankcase on the way back from a Blue Oyster Cult gig in Leeds! I replaced it with a T140 Jubilee engine, you could pick that sort of stuff up quite easy in those days. The rest was just wear and tear and a couple of prangs.

In An accident at the IoM  TT  in '81 the tank mounting on top of the frame tube was ripped off. I came off worse than the bike, broke my back and spent a good while in Nobles hospital. Any how I made a new bracket welded it on and suffered the consequences of a rush job until now. So I've removed it and I'm in the process of remaking it. However I can't find any dimensions of the bolt or the position it's in on the frame. I've got two measurements in my notes from over 30 years ago. One of 8.5" and another at 9.5" back from the steering head. And I think the bolt is 3/8" UNF.

Could anyone clarify these points for me?

Thanks in advance.

Grunt.

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