The Yamaha XT500 TT500 Forum

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 Post subject: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 9:30 am 
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Decomp

Joined: Thu Apr 24, 2014 9:35 am
Posts: 6
Location: London Borough of Bromley UK
Hi all !... From London.... Your advice please !

I've never owned an XT yet. I'm now 54 years old, and I fell in love with them when I saw one being ridden up the High Street in 1976. Had bikes ever since then, but no XT's.

However,I went to view a 1977 XT500 yesterday that is up for sale. It was quite tidy. The owner has had it for 10 years and appears to have looked after it cosmetically. Tank and seat very good, he replaced the exhaust with a genuine yamaha one which is in excellent condition, replaced genuine rear mudguard, wheels/tyres, switch gear and levers / cables all good / forks and rear shocks good. The engine looked like there was quite a few oil leaks, and it refused to start for him. So I haven't heard it running. I also noticed that it had a new front sprocket cover and that the fixing rear lug on the crankcase has been torn off, probably by a flung chain. The owner said that it normally fires up and had been standing for a while, and I have no reason to doubt him as he seemed overall very genuine. he's going to get it started then contact me again. Engine obviously needs attention of some sort.

The other problem is the engine / chassis numbers. On the registration document they are shown as identical. The number on the frame matches the document, but the engine number doesn't. Bit weird in that it is only 6 digits out.... as an example the frame was 1U612222... and the engine 1U612228. The owner said he bought the bike like that and never realised at the time that there was a discrepancy with the numbers.

If you are able to help, my questions to you are :

1) Is it possible that Yamaha could have cocked up and put the wrong engine in the frame. Are you aware of such a thing happening before, or do you think it's just a different engine put in at a later date ?
2) If I was to hear it running and there's no knocks & rattles or billowing smoke, what's the going price for such a bike in the UK ?
3) Worst case scenario for price to get an engine rebuilt ?...... or to get the bits and strip / rebuild yourself ?


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 10:43 am 
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Joined: Wed Oct 16, 2013 7:00 am
Posts: 1583
Location: Durban, South Africa
Hi Tonibell and :w. to the forum.
Sorry I can't help you with your questions but I'm sure another inmate will be along soon with some helpful advice.
:bg:
Kevin


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 11:49 am 
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Joined: Fri Oct 15, 2010 4:51 pm
Posts: 4853
Location: Lincolnshire UK
tonibell wrote:
Hi all !... From London.... Your advice please !

I've never owned an XT yet. I'm now 54 years old, and I fell in love with them when I saw one being ridden up the High Street in 1976. Had bikes ever since then, but no XT's.

However,I went to view a 1977 XT500 yesterday that is up for sale. It was quite tidy. The owner has had it for 10 years and appears to have looked after it cosmetically. Tank and seat very good, he replaced the exhaust with a genuine yamaha one which is in excellent condition, replaced genuine rear mudguard, wheels/tyres, switch gear and levers / cables all good / forks and rear shocks good. The engine looked like there was quite a few oil leaks, and it refused to start for him. So I haven't heard it running. I also noticed that it had a new front sprocket cover and that the fixing rear lug on the crankcase has been torn off, probably by a flung chain. The owner said that it normally fires up and had been standing for a while, and I have no reason to doubt him as he seemed overall very genuine. he's going to get it started then contact me again. Engine obviously needs attention of some sort.

The other problem is the engine / chassis numbers. On the registration document they are shown as identical. The number on the frame matches the document, but the engine number doesn't. Bit weird in that it is only 6 digits out.... as an example the frame was 1U612222... and the engine 1U612228. The owner said he bought the bike like that and never realised at the time that there was a discrepancy with the numbers.

If you are able to help, my questions to you are :

1) Is it possible that Yamaha could have cocked up and put the wrong engine in the frame. Are you aware of such a thing happening before, or do you think it's just a different engine put in at a later date ?
2) If I was to hear it running and there's no knocks & rattles or billowing smoke, what's the going price for such a bike in the UK ?
3) Worst case scenario for price to get an engine rebuilt ?...... or to get the bits and strip / rebuild yourself ?


Hi Toni

Bikes better if there matching numbers but in my eye not crucial to be honest, i think it will have been an engine transfer as you would have expected over 35 years someone would have noticed and changed the log book. saying that i also have bikes with different engines that i havnt changed the logbooks so its a tough one. Engine build well if its really bad and needs gears , valves, cams, bearings , rod , piston and all manner of stuff it could be £1500 though a rod , bearings, seals,cam chain, piston i would budget £500 plus labour. Motors i strip and build myself as they are so easy.

Any more questions just fire away.

TTB

_________________
Even if you fall on your face, you're still moving forward.


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 12:49 pm 
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Decomp

Joined: Thu Apr 24, 2014 9:35 am
Posts: 6
Location: London Borough of Bromley UK
Thanks for the welcome Kevins......

Tommy thanks...... Price down to about £1800 at the moment... what do you think ?.... obviously I'd like lower, but don't think I can get much better than that..... price come down quite a bit already from the advert.
What about the broken lug behind the sprocket cover... do the crankcases take weld easily ?... thinking maybe it can be built up then machined.

Thanks for your replies.


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 2:14 pm 
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Joined: Sun May 05, 2013 12:42 pm
Posts: 277
Location: Perth Western Australia
The price sounds pretty good. Check it has as many original parts as possible, indicators, lights, clocks, bash plate etc, those things can really add up when replacing.
I agree with Tommy on the engine No. not a big deal really, and if the numbers are so close it's a 77 motor anyway. Expect to pay North of 500 quid to recon the motor, but once done properly will last for yonks.
The lug behind the sprocket is the Achilles heel, easily fixed, plenty of good info on this forum, and yes it welds well.
Good luck :th-)


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 4:38 pm 
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Joined: Sat Nov 20, 2010 5:50 pm
Posts: 1485
Location: Cannock, Staffordshire, England
At £2000 you're in the price area where you get a running bike that needs cosmetics or a cosmetically good bike that needs some mechanical work. Pay more and you may find a better bike altogether, but as TTB says, the engines are pretty straightforward to work on and at least you know what you've got when it's done. Factor in the fact that you've got a good genuine exhaust on it too, and the bike sounds very reasonable.

_________________
Yamaha XT500G 1980
Honda SL70 1971
Suzuki RV90 1974
Suzuki B105P Bearcat 1967
Honda Z50AK3
Honda CA95


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 6:13 pm 
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Decomp

Joined: Thu Apr 24, 2014 9:35 am
Posts: 6
Location: London Borough of Bromley UK
Thanks for the replies. You've helped me decide. I'm waiting on him to contact me because he's busy with work. Hopefully he will soon and I can hear it running. I'll let you know how it goes.


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 8:15 pm 
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Joined: Fri Oct 15, 2010 4:51 pm
Posts: 4853
Location: Lincolnshire UK
Sounds good to me at 1800 and if you strip the motor I can weld on and tap a lug. Even build up weld of part of the case is bust. Done a few motors now and there easy to work on. Best thing to do is ask if you get stuck.

TTB

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Even if you fall on your face, you're still moving forward.


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 8:22 pm 
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Joined: Fri Oct 15, 2010 4:51 pm
Posts: 4853
Location: Lincolnshire UK
Here's one I prepared earlier. This one had the bottom smashed off it and needed building up the profiling back.

TTB


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Even if you fall on your face, you're still moving forward.


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 Post subject: Re: New boy.. No bike yet.
PostPosted: Fri Aug 04, 2017 10:42 pm 
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Kickstarter

Joined: Sun Sep 07, 2014 8:53 pm
Posts: 192
Location: victoria,b.c. canada
Welcome to the forum , you're in the right place and the sooner you get on with an XT the better... no shortage of info. and advice and with your location a wealth of expert services nearby... the boys have already answered your specific questions... all the best, David


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