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telll

Joined:

Mar 12

Posts: 7

telll says:

will not rev over 5000rpm

Hi all, I have recently purchased a Honda nt700va8 and it revs fine until we hit 5000rpm and then 'Hunts' to get past to little effect, I have ordered a new air filter to try what else should I try ?:unsure:

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  • Posted 3 years ago (02 March 2012 21:37)

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jaffa90

Joined:

Mar 09

Posts: 8609

jaffa90 says:

5000rpm

Welcome telll,all you and i can try is checking the air intake and exhaust system for a restriction,like a mouse nest,potato,or expandite foam.It`s a fuel injection engine but is the bike standard without  any mods ?

Have you a one man band technician with his own garage and likes a challenge?

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teamwindsor

Joined:

Mar 11

Posts: 570

teamwindsor says:

jaffa

Is it common to find a potato in your intake, I have never looked so wouldn't know?:tongue:

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jaffa90

Joined:

Mar 09

Posts: 8609

jaffa90 says:

potatoes

I used to have potatoes growing in my ears,so mother said.:lol:

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steveb

Joined:

Aug 02

Posts: 807

steveb says:

Does the NT700

have an exhaust valve. If it has, I'd say it was stuck shut.

Has the bike been stood? Does it have carbs? Could be not enough fuel getting through.

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telll

Joined:

Mar 12

Posts: 7

telll says:

Nt700

Hi all, thanks for the replies.

The bike is standard, is fuel injection and may have been stood for a while as it has only done 600 miles since MOT in July 2012.  I think all engines have exhaust valves. Can't find any potatoes.
I will try New air filter/plugs and check the leads at the weekend. 

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jaffa90

Joined:

Mar 09

Posts: 8609

jaffa90 says:

5000rpm

steveb is talking about an exhaust valve in the exhaust system for carb models on some bikes,if your intake and exhaust system is clear then it could be one of many sensors giving wrong info to the fuelling which i nothing about.

As my last sentence in first post.

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telll

Joined:

Mar 12

Posts: 7

telll says:

jaffa90

Thankyou for your reply.:wacko:

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jaffa90

Joined:

Mar 09

Posts: 8609

jaffa90 says:

hunts

If the bike has not been used/stored for a while the injectors could be partly blocked and fuel shortage with advancing ignition timing ,again i`m not sure.  

kcmc will have more idea.

[This Reply has been modified by the Author]

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telll

Joined:

Mar 12

Posts: 7

telll says:

solved

:biggrin: What a difference an air filter makes:biggrin:


All fine now thankyou all for your input

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