New Thundercat owner!

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New Thundercat owner!

Post  57jam89 on Sat Jul 25 2015, 08:21

Hi, I'm new on here.
I have just got a thundercat, it was my mates bike which he owned for 14 years but it has not been started/used in 8 years.
It's a 98 model in black, done 17k with full history and is std.

My last bike was a 89 Honda cbr1000f which I sold 6 years ago.

Any recommendations on what I need to do to get her up and running?

Thanks
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Re: New Thundercat owner!

Post  Wooster on Sat Jul 25 2015, 10:21

New Tyres, Battery, Plugs and an oil/filter change? Might also be worth draining the coolant and giving it a flush before refilling.
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Re: New Thundercat owner!

Post  SteveCat on Sat Jul 25 2015, 13:11

Hi and welcome
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Re: New Thundercat owner!

Post  Eddie990 on Sat Jul 25 2015, 14:29

Welcome to the forum 57jam89,

I would do what Wooster said above and add new brake pads & brake fluid.After 8 yrs the fluid will be useless! May well need the fuel tank, lines and carbs drained & cleaned too if there has been old fuel left in it.

Check & greases headrace bearings, wheel bearings and swingarm linkages/bearings too.

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Re: New Thundercat owner!

Post  yamahamad on Sat Jul 25 2015, 15:53

Agree to the above suggestions, good luck with sorting it out. Welcome to the site.

Paul
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Re: New Thundercat owner!

Post  The White One on Sat Jul 25 2015, 18:49

Welcome and all the above plus take out clutch plates and seperate before starting as they could well have stuck together. If they have it will take off the friction material and sends it round your engine. Don't worry about changing them if in good Nick but just seperate and reinstall. I'm just up the road so if you need a hand with anything just shout
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Re: New Thundercat owner!

Post  57jam89 on Sat Jul 25 2015, 22:16

Thanks everyone for advice.
I give her a very good clean today and I'm surprised at how good condition it is.
It's also only done 14k not 17k. I also give my mate (last owner) a call and found out it was last started 4 years and the tyres have only covered 100 miles.

After having a good look I found the tyres are fine along with brake pads/discs but fuild does not look too good, the hoses also are fine. I also put some jump leads on the battery and connected to my car just to see if it would turn and it after about 10 trys it started. But it did sound like was running on 2 cylinders and if I open the throttle it was pouring petrol on the floor. It was coming from a hose not connected to anything sitting on the gearbox.

Anyone have any ideas on this hose?

So I think I need to clean the carbs, is thus hard to do?

Thanks.


Last edited by 57jam89 on Sat Jul 25 2015, 22:39; edited 1 time in total
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Re: New Thundercat owner!

Post  The White One on Sat Jul 25 2015, 22:29

Is it the hose from the fuel tank to the fuel pump? Fuel pump on left side on the frame. Change plugs, clean air filter, drain float bowls, empty out all old fuel. Add new fuel with some red ex (for carbs) into the fuel and start and let idle for 15 mins. If you can get some sea foam use that as well as also helps with carbon build up on valves, rings and pistons. Rev to about 3-4 grand and then let idle. Adjust idle speed if required. If it still chokes then carbs need a strip and clean
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Re: New Thundercat owner!

Post  Catnapper on Sat Jul 25 2015, 22:56

There is a hose which isn't connected to anything. It's a vent line which sits on top of the box. Don't spend 2/3 hours looking for where it should connect like I did - DOH. 
Look on a parts fische on here and that gives you a good idea of what goes where 
Mine did about 1000 miles in 6 years but was looked after. 
Apart from what others have said just check the dot year for the tyres 
Only other thing on mine was that the o rings in the chain were non existent. Look in the front sprocket cover. They will collect there 
After that ENJOY!!!!
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Re: New Thundercat owner!

Post  SteveCat on Sun Jul 26 2015, 11:20

Very nice looking bike, my first 'Cat was in those colours.

Just so you know, that colour wasn't sold in the UK so yours has come from somewhere in Europe - nothing to worry about at all. I think mine was for the Dutch or Belgium market, but a lot were sold in Germany, My second 'Cat was intended for the German market and there is an extra breather pipe on the German spec. If I remember correctly it connects to the fuel tank. It is possible this is the pipe you are talking about.
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Re: New Thundercat owner!

Post  57jam89 on Sun Jul 26 2015, 15:54

Thanks for advice everyone.
I had a quick look at where the fluid was pissing out from and it's from this pipe which was just sitting on the top of the gearbox.
Checked fuel pipes and they are fine!
This pipe connects to a T with one hose going down below the engine and is capped and the other goes up beside the rad but can't see where it goes.



This is the T it connects to-



And this is what came out-



I'm not 100% it's petrol.

Anyone have any ideas where this hose goes to?

Thanks.

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Re: New Thundercat owner!

Post  Catnapper on Sun Jul 26 2015, 16:08

Look at item 48. This leads to nothing. Is this your pipe 

https://www.fowlersparts.co.uk/parts/4145276/yzf600r-thundercat-4tv1-1996-999-a/intake
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Re: New Thundercat owner!

Post  57jam89 on Sun Jul 26 2015, 16:26

@Catnapper wrote:Look at item 48. This leads to nothing. Is this your pipe 

https://www.fowlersparts.co.uk/parts/4145276/yzf600r-thundercat-4tv1-1996-999-a/intake

Yes that's the pipe!
So I take it this is a breather then? But why do I have this fluid shooting out it?

Thanks.
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Re: New Thundercat owner!

Post  Catnapper on Sun Jul 26 2015, 17:35

Not sure but check the filter at the bottom isn't blocked. Must have got fluid in the airbox at sometime. Maybe previous owner did it as a corrosion preventative before storage!!!
What does the liquid smell of?
It looks like a petrol additive to me
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Re: New Thundercat owner!

Post  Wooster on Sun Jul 26 2015, 17:59

If it's fuel (plus additive) it must be coming from the carb overflow tubes, which probably explains why it's running rough.
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Re: New Thundercat owner!

Post  The White One on Sun Jul 26 2015, 18:00

That pipe is the carb vent pipe and collector. Could have float bowls over filling due to stuck float and overflowing. As I said run some redex or seafoam through your carbs
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Re: New Thundercat owner!

Post  57jam89 on Sun Jul 26 2015, 21:23

Well it sort other smells of petrol then again it is 4 years old fuel.

Carb overflow, then I did get it started I had to hold the throttle open just to keep it running.
So I think next step is drain tank and carbs, new spark plugs, oil and filter, air filter and fresh fuel and hopefully there will not more fuel coming from overflow.

Thanks.
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Re: New Thundercat owner!

Post  57jam89 on Sun Jul 26 2015, 21:37

@SteveCat wrote:Very nice looking bike, my first 'Cat was in those colours.

Just so you know, that colour wasn't sold in the UK so yours has come from somewhere in Europe - nothing to worry about at all. I think mine was for the Dutch or Belgium market, but a lot were sold in Germany, My second 'Cat was intended for the German market and there is an extra breather pipe on the German spec. If I remember correctly it connects to the fuel tank. It is possible this is the pipe you are talking about.

Thanks, so black and grey with red stickers were not UK bikes?
Just dig the 1st reg document out and it says 'declared new in GB by independent importer' on 01/02/1998
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Re: New Thundercat owner!

Post  0ldcat on Sun Jul 26 2015, 22:34

Hello and Welcome to the forum  green smile  great
Nice looking bike. I recon once you have gotten rid of that 4 year old  affraid fuel and given the system a good flush through (along with a damn good re-activation into use servicing), you've got yerself a pearler.
@57jam89 wrote:Thanks,  so black and grey with red stickers were not UK bikes?
Just dig the 1st reg document out and it says 'declared new in GB by independent importer' on 01/02/1998
Ah, sounds like it was a personal import by a squaddie returning from BFG. My V5 had exactly the same thing on it when I brought my cat back the same way.

Cheers
Tel salute

PS
Mine was a blue/white example, so it's not my one Laughing
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