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Author: Subject: R1 Questions
nstrug

posted on 3/6/08 at 08:16 PM Reply With Quote
quote:
Originally posted by Gremlin
Car would mainly be a road going car but could see the track in the future...

With the R1 is the EXUP still kept or bypassed?


Ditched, unless you are using the original manifold i.e. in a mid-engine, transverse mounted role.

The advantages of the EXUP are debateable to say the least. Supposedly, they increase low end torque by increasing back pressure but if you will have a cat to do that for you anyway.

They are always ditched on bikes running a full system and none of Yam's racebikes use them either.

Nick

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Hellfire

posted on 3/6/08 at 08:32 PM Reply With Quote
Ditch it and get one of Sams servo subs (Bottom of the page). Or one of these from the UK

Phil

[Edited on 3-6-08 by Hellfire]






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TimC

posted on 3/6/08 at 08:47 PM Reply With Quote
Or use other clocks!






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Jubal

posted on 3/6/08 at 08:59 PM Reply With Quote
How much does the exup weigh? This thread reminded me I needed one to remove the error code on my R1 clocks. Is it worth almost 100 quid to buy one of those emulators?

[Edited on 3/6/08 by Jubal]

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ChrisGamlin

posted on 3/6/08 at 09:10 PM Reply With Quote
Ive never had an EXUP valve as Im not using the R1 clocks, but Im pretty sure you can seperate the EXUP solenoid from the valve itself then just plug it in and tuck it under the dash, so the ECU still see's the electrical side of the EXUP and therfore no errors.






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Jubal

posted on 3/6/08 at 09:21 PM Reply With Quote
quote:
Originally posted by ChrisGamlin
Ive never had an EXUP valve as Im not using the R1 clocks, but Im pretty sure you can seperate the EXUP solenoid from the valve itself then just plug it in and tuck it under the dash, so the ECU still see's the electrical side of the EXUP and therfore no errors.


Nice one. 100 quid saved!

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Gremlin

posted on 3/6/08 at 10:17 PM Reply With Quote
I read that not only does it cause error lights to pop up but problems with the running some times. Could that be right?





EZy GreMLiN

"The only way to get rid of temptation is too give in to it..!"

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nitram38

posted on 4/6/08 at 06:54 AM Reply With Quote
You can remove the exup if you are not using the bike clocks as the engine management will run the engine fine without it.
I do the baffle plates for 04-07 engines.






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smart51

posted on 4/6/08 at 07:32 AM Reply With Quote
quote:
Originally posted by ChrisGamlin
Im pretty sure you can seperate the EXUP solenoid from the valve itself


Yes you can. Mine is in the engine bay. Even the motor weighs 1kg but it makes the clock fault go away.

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adithorp

posted on 4/6/08 at 07:53 AM Reply With Quote
I made up BobC's Exup electronic widget and the code has gone. Size of a match box and less than a fiver.

edit to add...see this tread and the link in it.

http://www.locostbuilders.co.uk/viewthread.php?tid=70703

adrian

[Edited on 4/6/08 by adithorp]

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Gremlin

posted on 4/6/08 at 08:27 AM Reply With Quote
Great, is bobs solution now tried and tested and come with no additional faults?





EZy GreMLiN

"The only way to get rid of temptation is too give in to it..!"

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adithorp

posted on 4/6/08 at 12:09 PM Reply With Quote
Mine works fine. Don't even know its there. If I can make one anyboby can ('cos I'm poo at soldering).

adrian

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Davey D

posted on 4/6/08 at 07:19 PM Reply With Quote
Ive made one up for my 2006 5VY, and it makes the error code disappear






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