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TPS Query Answered/ One more question..
TimC - 24/8/07 at 07:06 AM

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]


RazMan - 24/8/07 at 07:11 AM

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.


TimC - 24/8/07 at 07:15 AM

It's on bike carbs - mapping - what new fangled technology is this?

Thanks Raz!


Avoneer - 24/8/07 at 08:01 AM

Shame - I've got a spare blade one, but not an R1 one - sorry.

Pat...


chockymonster - 24/8/07 at 08:50 AM

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.


worX - 24/8/07 at 11:47 AM

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.


fesycresy - 24/8/07 at 01:55 PM

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


coozer - 24/8/07 at 04:25 PM

Go on Tim, turn teh key... you know you want to!

And don't forget to post the video

Steve


TimC - 24/8/07 at 05:58 PM

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


fesycresy - 24/8/07 at 06:08 PM

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.


DIY Si - 24/8/07 at 06:15 PM

And then start the damn thing!!!


ChrisGamlin - 24/8/07 at 09:08 PM

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.


smart51 - 24/8/07 at 09:24 PM

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.