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Ask an Expert 2004 Hornet 600 splutter Technical

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nc30netherton

Joined:

Feb 11

Posts: 64

2004 Hornet 600 splutter

Alryt folks, basically my 2004 Hornet has had this terrible splutter below 3.5/4000 rpm for a while now and I'm not sure whats causing it, also when I crack the throttle initially its a bit lathargic to pick up for a second. I used to have restrictors fitted in the carbs and thought that once they were out it would run alot smoother but it doesn't really, ive had the carbs cleaned out and balanced and new plugs fitted but it still splutters at slight throttle/ low revs, when I open it up however, its fine. I have a SP engineering stuby can fitted, with the baffle in, as it runs worse with the baffle out plus its f***ing loud :lol: I used to have a longer micron can with no baffle and it ran the same then so it cant be entirely exhaust related :wacko: 


Any ideas as to what the issue may be? Does it need a rejet or something I'm not too good with the engine side of things 

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  • Posted 2 years ago (26 January 2013 14:42)

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eatcs01

Joined:

Aug 02

Posts: 3287

eatcs01 says:

Hornet splutter

Could be carb icing.

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jaffa90

Joined:

Mar 09

Posts: 9034

jaffa90 says:

Splutter

I think it`s a weak mixture on the pilot jet feed (up to 3,000rpm usually).Who set the pilot/air mixture?

You may have to go bigger and reset.

Ignore E.E.C. emmisions.

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smidget

Joined:

Nov 07

Posts: 2432

smidget says:

What

type of air cleaner is fitted and are they  / it clean?

Are you able to refit the original exhaust system?

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cairnsie13

Joined:

Jan 11

Posts: 267

cairnsie13 says:

Also check

the air filter housing my had cracked where it joins to the carbs and my bike was unridable below 3k rpm

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