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Yamaha Tech Originally the Yamaha XT600 Tech Forum, due to demand it now includes all Yamaha's technical / mechanical / repair / preparation questions.
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  #1  
Old 7 May 2009
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New owner of 1984 XT600!

Hi Guys,

just to introduce myself really. I have just bought a 1985 XT600 which is currently in hundreds of peices! Iv bought it as a project and plan to get her back on the road in the not so distant future. since buying iv been trying to track down a few parts but have gotten myself a little confused as to exactly which model it is! the frame no. begins 43F, is this the model?

Id also like some advice on where to start with the engine as it has been sat still for 2-3 years. there is no kick start on it, is there any other way I can turn it over? bearing in mind at the moment its literally the only thing fitted to the frame at the moment bar the wirring loom.

Thanx guys,

Rob
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  #2  
Old 8 May 2009
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Hi Rob and welcome.

I also joined a couple of months ago after buying a 1985 55W model.

The 43F is the model number and I think should be a 1984. The 43F & 55W are very similar and both kickstart only.
Get yourself a Clymer manual and I can e-mail a parts list (US model though) if that would help. I presume your engine has the splined shaft for the kickstart to fit to? if not, it might have had a later electric start engine fitted. If you have the kickstart shaft you will need to look on ebay for a kickstart and get the decompresser working.
Hope this helps as a start.
Gary
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  #3  
Old 8 May 2009
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maybe post a pic of what you've got and do a build thread
foggie's right the 43f was a kick only
if you have a later e/start motor its not very hard to add a kick start but its hard to go kick only to leccy start
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  #4  
Old 8 May 2009
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Lambeth

David Lambeth, who is based in Eastern England in Boston has an almost unhealthy knowledge on all things XT and knows the answer to any question anybody has ever asked about XT600s

He's not cheap, but I think you get what you pay for

DAVID LAMBETH RALLY & OVERLAND

Good for parts and specialist advice
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  #5  
Old 8 May 2009
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Quote:
Originally Posted by Rob XT600 View Post
Hi Guys,

just to introduce myself really. I have just bought a 1985 XT600 which is currently in hundreds of peices! Iv bought it as a project and plan to get her back on the road in the not so distant future. since buying iv been trying to track down a few parts but have gotten myself a little confused as to exactly which model it is! the frame no. begins 43F, is this the model?

Id also like some advice on where to start with the engine as it has been sat still for 2-3 years. there is no kick start on it, is there any other way I can turn it over? bearing in mind at the moment its literally the only thing fitted to the frame at the moment bar the wirring loom.

Thanx guys,

Rob
Hi Rob, yes sounds like you've got a 43F model,
if you just want to see if the engine isn't seized try turning it over via the nut on the fly wheel, as you sit on the bike it would be by your left toe under the inspection plug.
after a few years I'm not sure if much oil will be present in the top end, I'd whip the plug out and put some oil down the hole, I'd also be worried if anthing has dropped in down the inlets - are the carbs on - is the airbox on?

info on 43F here Termine

good luck with your project
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Old 8 May 2009
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thanx guys,

sounds like iv got a bit of a mismatch with the engine and frame then as the engine is electric only.

Theres been a rag pushed into the inlet holes to stop things getting in so im hoping that would have been good enough. Iv just bought a new air box off ebay which im hoping will fit (it was labelled as 1VJ / 3AJ)

Iv also just noticed that the exhaust hasnt been disconected correctly! instead of loosening the clamp which joins the 2 pieces together, someone has very neatly sawn it in 2 about 2 inche after the clamp! at first I thought it might have been because the clamp was just too stiff so they just cut it instead, but i tried loosening the clamp and it slid straight off!

so anyone got any ideas for a new silencer? I may end up getting the welder out altough my welding skills arent anything to shout about! iv got a tendancy to blow holes!
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Old 8 May 2009
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sounds like the motor is from a breaker they saw everything not got apposed thumbs to hold tools correctly

you are gonna have your work cut out you will need the later loom and handle bar switch gear to use the electric only motor
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Old 8 May 2009
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[quote=Rob XT600;240910]thanx guys,

sounds like iv got a bit of a mismatch with the engine and frame then as the engine is electric only.
quote]

oh... when you said no kickstart i thought you meant no kick lever on the shaft...

i'm no expert but i think if you have a 1VJ or 3AJ motor it may be better to go and get a 1VJ or 3AJ frame. the sprockets will then line up and kick only frames are narrower where the carbs go..and i think airbox is in a different place. there's a frame on ebay at the moment.

have you got a bike that was once whole...or a collection of parts from different models.....the fun begins
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Old 8 May 2009
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It is a 3AJ motor.

I think the looms gonna be ok, in with all the bits theres the assembly which fits onto the bars with a start button.

this is where i bought it from:
Yamaha XT600,Field Bike/Project/Restoration/Off road. on eBay, also Yamaha, Motorcycle Parts, Motorcycle Parts Accessories, Cars, Parts Vehicles (end time 04-May-09 11:29:44 BST)
at the end of the description it says "quite an easy job for someone to finish" ...... maybe not!

you may well be right lamin! a collection of different parts. Ill find a way though!
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Old 8 May 2009
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def not an easy job you are gonna need the 600e airbox to house the battery unless you good at fabrication
chain should line up might need the spacers changing though
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  #11  
Old 8 May 2009
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That doesn't look like an '84!

It looks like you have a 3TB there, which would make it a post-1990 XT. How do you know it's an 84?

If it is a 3TB (roughly 90-95) it didn't originally come with a kickstart.
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Old 8 May 2009
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You need to get a service manual, it will be very helpful in the future! An easy way to turn the engine over would be to install a chain, put it in gear and try to roll it by pushing it. Put some oil in the cylinder via the spark plug hole first. If it doesn't roll then.... that's not good...What i'd do for the engine if it does turn over:

Clean the outside first. Then I would drain the oil, inspect it, and take a look at the oil filter also. Then I would take the engine's side covers off and visually inspect the clutch, oil pump and all the gears associated. Look and see if there's any signs of crud or dirt mixed with the oil while you are there. If everything checks out, put it all back together and get to work on the rest of the bike! It looks like a fun project and let's hope the engine is good!

Here's a link to my rebuild thread: http://www.horizonsunlimited.com/hub...92-xt600-38995

Might be helpfull in putting some things back together..

Good luck!

Last edited by olas altas; 8 May 2009 at 06:02. Reason: Link added
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  #13  
Old 8 May 2009
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thanks for the link, thats a great thread!

as for the year, iv been looking at the registration doc and its says it was registered in 98 but it also says it was declared manufactured 84. and its an A reg.

Iv made a start on the clean up process and have found these part numbers:

Sprocket: Sunstar, 45-520, 2UJ
Wiring Loom: 3TB
Frame No. : YM *43F0002##
Engine: 3AJ00 595cm3, 2KF
CDI: 3TB-82305-00, 131800-5400, 12V TNDF09, Denso 0
Exhaust: yamaha 3TB 14711

so is this a complete mismatch of parts or do I just have the year wrong?
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Old 8 May 2009
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maybe

Hi Rob

It sounds like the bike may have been stolen/recovered at some point. They were a prize for the kids to steal and rag around the fields. It could have then been written off as a total loss. Perhaps either the original owner or a salvage yard customer bought the bike and rebuilt it.
It was then re-registered (totally legal) and given an age related plate (manufactured in '84).
BUT! It would had to have been road legal and MOT'd to get that re-reg (in '98) so I suggest this bike has a lot of history, maybe stolen again or the original engine blew and someone decided to fit a later motor because they couldn't get an original.
Good luck with rebuild, sounds fun!

EDIT: Actually, the bike does look a later model (forks, swingarm, wheels etc.). Again, I'm surmising, at some point someone has attemped to fit later parts to an early frame. The parts were maybe from a stolen bike? Don't worry though, you have the legal V5, just change the engine no. with DVLA and you're ok.
You are honest and bought in good faith but keep the receipts and ebay advert, just in case.
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  #15  
Old 8 May 2009
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Quote:
Originally Posted by Rob XT600 View Post
so is this a complete mismatch of parts or do I just have the year wrong?
Rob - that doesn't look too bad, looks like you've got a 3TB model, I reckon your parts match - but the paperwork date of '84 is wrong.

follow the advice from Olas and once you've put all the bits back on you can see whats missing or doesn't fit or has been damaged.....



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