1977 TS125 Introduction

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1977 TS125 Introduction

New postby d14vd_h on Fri Jun 16, 2017 10:34 am

Hello from Scotland guys;

I have recently purchased a 1977 TS125.
While its a 1977 bike it wasn't registered until 1984 as it was apparently used as a farm bike in those years.

The taco reads just under 8k miles, though can't tell if thats genuine.

Plan to do a light restore, its my first ever bike despite being 34 and despite being an amateur bicycle racer my mechanical knowledge isn't great.

On purchase I dropped it with a local mechanic as the original tyres had perished to a point I thought it would be unsafe to ride - i increased the width of the rear tyre to a 4.0
While the front and rear light operated (from dynamo?) no electrics worked and neither did the rev cable so it was rewired and new battery fitted, i took the opportunity to have the original rear light and bracket restored.

After my first ride this week the left shocker seal seems to have blown so first job will be to rebuild those, then some cosmetics such as cutting the tank and reapplying tank decals.

I also need to replace the bulbs in the tacho.

Regards the fork boots, i'd like to replace the jubilee clips at the bottom and the zip ties at the top - i wondered what the original clips looked like and if anyone had a source?

Ive got the original owners manual, the John Thorpe book and the Haynes manual but still fully expect to have to ask a bunch of questions.
Attachments
IMG_2468.JPG
IMG_2469.JPG
IMG_2466.JPG
Last edited by d14vd_h on Fri Jun 16, 2017 10:34 am, edited 1 time in total.
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Re: 1977 TS125 Introduction

New postby Butcher on Fri Jun 16, 2017 11:15 am

Nice, thanks for introduction. Happy you ride and enjoy the bike.


Um, she might need some money thrown at her and some investment of time and restoring...

That is a sick key-ring! No, wait... 45, 82, 32 and BINGO!


Great bikes of prestege... Ride the bugger and give back.

IMG_2466.JPG



These 125's I know pretty well :)
Last edited by Butcher on Fri Jun 16, 2017 11:15 am, edited 2 times in total.
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Re: 1977 TS125 Introduction

New postby d14vd_h on Thu Jul 13, 2017 3:42 pm

Right, after a sojourn with a classic bike mechanic the TS is back and better than ever before. Idle's and rides beautifully and the mechanic took care of things i didn't know were at fault or had put down to the 'character' of an old bike.

Longest ride to date - 43 miles home - was wonderful...

That said I seem to have rattled the rev counter cable or something as the rev counter stopped functioning mid ride....

Any clues?
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Re: 1977 TS125 Introduction

New postby Butcher on Thu Jul 13, 2017 11:00 pm

Have you checked the rev counter cable is screwed in tightly?
Fix it and try again - Burt Munro.
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Re: 1977 TS125 Introduction

New postby d14vd_h on Fri Jul 14, 2017 10:08 am

so nervous to touch anything now that the bloody thing works, i'll take a look at the gauge side asap.

it was a new cable (supposedly) after my first trip to the mechanics, so it shouldn't be snapped broken.

I'll try tightening from the outside then take the taco gauge apart and see if all is ok

D
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Re: 1977 TS125 Introduction

New postby d14vd_h on Fri Jul 14, 2017 11:05 am

ok so yep the ridged silver had tightening parts of both sides of the cable are nice n tight

Whats next on troubleshooting list :roll:
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Re: 1977 TS125 Introduction

New postby Butcher on Fri Jul 14, 2017 10:07 pm

That was as clear as mud. Well, does the inner part of the cable turn with engine running mate?
Fix it and try again - Burt Munro.
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Re: 1977 TS125 Introduction

New postby d14vd_h on Sun Jul 16, 2017 4:43 pm

Apologies for the terrible previously rushed phone post.

What I meant was the 'barrel adjusters' at each end were tight

I took them both off tonight and had a look inside, but to be honest I don't know what Im looking for.
Attached are some pictures. I'm not entirely sure how the mechanism works.
Attachments
IMG_2755.JPG
IMG_2754.JPG
IMG_2753.JPG
IMG_2752.JPG
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Re: 1977 TS125 Introduction

New postby Butcher on Mon Jul 17, 2017 12:13 am

It works by turning the inner part of the cable. Pretty straight forward.

And to quote myself "Well, does the inner part of the cable turn with engine running mate?"
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Re: 1977 TS125 Introduction

New postby Butcher on Mon Jul 17, 2017 5:48 am

This is not meant to be angled like this. Almost looks like a brass ammo casing ;)

Strange a.jpg
Strange a.jpg (26.58 KB) Viewed 30 times



Caused inner cable to break right here...

Strange b.jpg
Strange b.jpg (26.18 KB) Viewed 29 times





The cable is meant to be straight, perpendicular to central axis. This violent movement has snapped your new cable. I hope your mechanic will address the actual cause and repair. I will keep my mouth shut opinion :) I am sure that your beloved 125 is a blast to ride! :mrgreen:

Sorry about my dry snide remark. I have no idea of your ability / inability. Good luck.
Last edited by Butcher on Mon Jul 17, 2017 5:48 am, edited 2 times in total.
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Re: 1977 TS125 Introduction

New postby Butcher on Mon Jul 17, 2017 5:59 am

"my mechanical knowledge isn't great."

Pull things apart and discover how they work. I used to pull apart toasters (shocking!) to work out how they work. Old watches, you name it. I used to disassemble anything I could get my hands on. I could never get them back together though!

Eventually I got hold of a bike, pretty much like yours. I had to rebuild motor (water in it was not very good, if you know what I mean!). eventually did my trade as electronics tech. Fixed videos, MW ovens, TVs, cam corders, basically everything / anything that was put on my desk. Some rooster brought in a cam corder in a chilly bin (eskie to the aussies). Thing was, chilly bin was full of water with camera in it! Dude dropped in salt water and bloke in pub said to flush with fresh water (no insurance).


Hey, awesome introduction. My rev counter cable does not have that brass (golden colour) part. May be wrong cable? No idea. I hope I helped you out there...
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