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zxr 750 h2

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Phillip Summers
L Plate Warrior



Joined: 10 May 2010
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PostPosted: 23:22 - 10 May 2010    Post subject: zxr 750 h2 Reply with quote
Im having troubles starting my zxr 750. Each day it has to be bump started, however, after that it will start ok on the button. Once its running the idle is a little slow too.
Have checked battery and plugs and are both good.
Has anyone got any ideas- need it back on the road ASAP
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Paulington
World Chat Champion



Joined: 11 Mar 2009
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PostPosted: 00:09 - 11 May 2010    Post subject: Reply with quote
I assume it'd be something to do with the carbs then, doesn't sound like the engine is getting enough fuel when cold?

I may be wrong!
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Billing
World Chat Champion



Joined: 12 Mar 2009
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PostPosted: 00:34 - 11 May 2010    Post subject: Reply with quote
Maybe this would be better off in the workshop section rather than here Thumbs Up


Anyway, to me sounds like your battery may not be in the best of health, even though you said it was fine. The reason I say this is because it sounds like the battery is discharging a little overnight (do you have an alarm or anything?) meaning it doesn't have enough power to spin the starter motor and supply the coils at the same time. When you bump start it all of the available power goes to the coils and it fires up, then after you ride it around for a bit the battery gets topped up, so then can run the starter motor and the coils Thumbs Up
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bacon
World Chat Champion



Joined: 09 Jan 2009
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PostPosted: 00:39 - 11 May 2010    Post subject: Reply with quote
ask on www.redmonkey.com/7r

They know everything about zxr750's, zx7r's etc and likely to have a answer for you
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base
Trackday Trickster



Joined: 09 Nov 2004
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PostPosted: 07:38 - 11 May 2010    Post subject: Reply with quote
my old h2 used to have to have a battery in tip top condition to spin it up to start, i have a feeling that the alternator belt might be slipping slighty and not charging the battery quite enough, this is a issue i used to have.

i assume that once its running it runs ok, not bogging down or anything? otherwise it could be a carb issue, as i had one of the carbs stick open this caused some starting issues and general running problems
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Wafer_Thin_Ham
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Joined: 18 Nov 2005
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PostPosted: 07:42 - 11 May 2010    Post subject: Reply with quote
base wrote:
my old h2 used to have to have a battery in tip top condition to spin it up to start, i have a feeling that the alternator belt might be slipping slighty and not charging the battery quite enough, this is a issue i used to have.


H2s have belt driven alternators!? Shocked
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base
Trackday Trickster



Joined: 09 Nov 2004
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PostPosted: 07:43 - 11 May 2010    Post subject: Reply with quote
Yes they do and they were the bain of my life Smile
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DaveH
World Chat Champion



Joined: 03 Feb 2006
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PostPosted: 07:52 - 11 May 2010    Post subject: Reply with quote
Why do you bump it? i.e. what are the symptoms of it not starting off the button?
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Damon
World Chat Champion



Joined: 24 Aug 2007
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PostPosted: 11:29 - 11 May 2010    Post subject: Reply with quote
base wrote:
Yes they do and they were the bain of my life Smile


mine too, I think I replaced the belt 3 times in the half a year I owned a H2. Its no quick 5 minute job either Rolling Eyes
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Old Thread Alert!

The last post was made 15 years, 254 days ago. Instead of replying here, would creating a new thread be more useful?
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