SOHC.co.uk Forums > CB350/400
Hesitant revs below 3,000 RPM when hot.
ka-ja:
"Agree, that me getting me additives confused. I have never used STP on anything"
Not to worry, it is great for building up machinery and engines as it does not squeeze out or wash away, but it is hell on earth anywhere in a "wet clutch" engine, slippery stuff!
Bradders:
Is adjusting the air screws an easy job to do? Or is it best left to someone who knows what they are doing? ( not me 😀)
Nurse Julie:
--- Quote from: Bradders on August 07, 2019, 04:04:36 PM ---Is adjusting the air screws an easy job to do? Or is it best left to someone who knows what they are doing? ( not me 😀)
--- End quote ---
It is a very simple procedure....this thread tells all. Thus was talking about a CB350/4 but 400/4's are the same.
http://www.sohc.co.uk/index.php/topic,19585.0.html
Bradders:
Thanks very much Julie. Will give it a try.
Northy:
Actually could be running rich , check you plug colour and air filter first.
The air filters don't have much space around them and any slight restriction i.e. dirty air filter seen to have huge effect on running.
Oddly just had issue with one of mine, thought the air filter was fine but would splutter at 2.5-3 k and was running rich , replace the air filter all fine.
As an side I pulled the dirty pattern filter apart. The inside of the paper/cloth had a waxy feel to it and also quite hard. So although the outside looked clean, the inner bit was causing the restriction. Its was a new filter but had been in a box for 7yrs or so,so over time had gone off, if that's possible or reacted once fitted to vapours. Had me stumped for while.
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