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Author: Subject: TPS Query Answered/ One more question..
TimC

posted on 24/8/07 at 07:06 AM Reply With Quote
TPS Query Answered/ One more question..

Morniing All

I was hoping to start my engine tomorrow. However, on inspection, my TPS does not seem to operate smoothly. When turned by hand it feels very grainy and clicks!

I'm having a hell of a job finding one. Do you think the motor will start - just for a few seconds? I don't have a cooling system yet but I want to know that it's basically okay before the bodywork goes on.

Cheers.

TC

[Edited on 24/8/07 by TimC]






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RazMan

posted on 24/8/07 at 07:11 AM Reply With Quote
The TPS only gives feedback to the ecu when you are opening the throttle so if you just need to start the engine to warm it up at tickover then you should be ok. However if it is knackered it might tell the ecu that the throttle is open when it is not, which will make the mixture very rich.

Try it out and see what happens - just be aware of these points and you shouldn't hurt anything, but don't do any mapping until you have checked out the tps properly.





Cheers,
Raz

When thinking outside the box doesn't work any more, it's time to build a new box

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TimC

posted on 24/8/07 at 07:15 AM Reply With Quote
It's on bike carbs - mapping - what new fangled technology is this?

Thanks Raz!






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Avoneer

posted on 24/8/07 at 08:01 AM Reply With Quote
Shame - I've got a spare blade one, but not an R1 one - sorry.

Pat...





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chockymonster

posted on 24/8/07 at 08:50 AM Reply With Quote
quote:
Originally posted by TimC
Morniing All

I was hoping to start my engine tomorrow. However, on inspection, my TPS does not seem to operate smoothly. When turned by hand it feels very grainy and clicks!

I'm having a hell of a job finding one. Do you think the motor will start - just for a few seconds? I don't have a cooling system yet but I want to know that it's basically okay before the bodywork goes on.

Cheers.

TC


Stop coming up with excuses and just try and start the thing.





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worX

posted on 24/8/07 at 11:47 AM Reply With Quote
Stop coming up with excuses and just try and start the thing.
quote:
Originally posted by chockymonster
quote:
Originally posted by TimC
Morniing All

I was hoping to start my engine tomorrow. However, on inspection, my TPS does not seem to operate smoothly. When turned by hand it feels very grainy and clicks!

I'm having a hell of a job finding one. Do you think the motor will start - just for a few seconds? I don't have a cooling system yet but I want to know that it's basically okay before the bodywork goes on.

Cheers.

TC


Stop coming up with excuses and just try and start the thing.







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fesycresy

posted on 24/8/07 at 01:55 PM Reply With Quote
It's bank holiday weekend mind.....

You know what that means, every DIYer will head to B&Q then onto casualty, one digit in a plastic bag and a laughing circular saw.

2 hours in a traffic jam, arguement with the wife, sun burn, torrential rain, snow, flying pigs.

Sorry to ramble, but are you sure you want to start it this weekend ?

Traditionally the weekend when if it can go wrong then it will go wrong.

Then again....

JUST START THE BLOODY THING !!!!!

You never know it may just run





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coozer

posted on 24/8/07 at 04:25 PM Reply With Quote
Go on Tim, turn teh key... you know you want to!

And don't forget to post the video

Steve





1972 V8 Jago

1980 Z750

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TimC

posted on 24/8/07 at 05:58 PM Reply With Quote
Ok - last pre start question....

Will my engine be sufficiently earthed through the cradle?

All of the engine mounts are tapped for the bolts if that helps?

Can I check this effectively with the multimeter?

Cheers






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fesycresy

posted on 24/8/07 at 06:08 PM Reply With Quote
I would run a seperate earth from your engine to the chassis.

Remember you've got a powder coated cradle.

Use a jump lead for a temporary fix.





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DIY Si

posted on 24/8/07 at 06:15 PM Reply With Quote
And then start the damn thing!!!





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ChrisGamlin

posted on 24/8/07 at 09:08 PM Reply With Quote
A seperate earth strap will almost certainly be required otherwise it will likely turn over slowly and melt the battery leads due to the poor earthing.






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smart51

posted on 24/8/07 at 09:24 PM Reply With Quote
My R1 engine was solidly earthed through the cradle before I mounted the R1 loom starter motor earth cable. That's not to say that yours will be the same.

There's a lot of amps goes through the starter motor. Use thick wire.

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