Question about 1976 Honda Cb 400 F

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Engine been stood in garage for 20 years , what do i do to use it

Bike dry stored 20 yrs, would like to restore but dont know where to start engine wise

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I would start by changing oil ,all filters,sparkplugs....settiing/checking valve lash....change /settting points,condendsor[if it has them instead of electronic]...clean all carburators [drying gas makes a varnish that will plug jets,ect] fresh battery and gas
ride safe and free

Posted on Dec 06, 2008


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Where should I start on a motorcycle that has been sitting for 20 years?

Hi Nick:
What a great project.
- I'd start with a really thorough clean up.
- You've mentioned the gas. Definitely, drain the tank, hoses, carbs, and clean the carbs. If there's a filter I'd change it.
I wouldn't even try to run it without cleaning the carbs first.
- Replace the battery, oil, and spark plug.
- Engine coolant?
- Tires? I wouldn't worry until I had it running but definitely replace.
Patience & time. You'll have an excellent bike.

Jul 13, 2015 | Honda Motorcycles


Storing your bike over winter!!!

when your motorcyle has been stood for a while like over winter..keep the battery charged up. if its got them out of petrol befor storeing. has petrol goes off in the carbs & gums them up. whitch then when you come to use the bike you need to strip the carbs & clean the float bowls & clean the jets out..has with a lot of problems i have seen on here when bikes have been stood they wont rev or even start because the petrol carnt get threw...if the bikes been stood a long time you need fresh petrol anyway as it goes off!!...

on Mar 06, 2010 | Motorcycles

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I'm looking to possibly buy a 1991 honda accord but it has 300,00 kiles on it. now i know that is alot for anycar really but what are some of the issues i may run into with an engine with that many miles

1991 20 yrs old with this high mileage so i would suspect that they are paying you to take it away as its had its day and its worn out and only fit for the great motorway in the sky .I know these cars are good and dont give a lot of problems as such but 20 yrs old?? Does it have a full years vehicle inspection certificate from the local inspection station and its passed without a backhander ??

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1 Answer

Cant start bike after been in garage for 3 months.

You might have to disassemble the carb to clean it. As the fuel dried up it left/leaves a residue that sometimes cloggs up the jets!

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Carbed engine stops dead after 10-20 seconds of running.

If it was the ignitor unit (I assume you mean the ECU) it wouldn't start at all.
Did you check the fuel pump and it's relay?If the bike was garaged for 2 years you should recalibrate your carbs.If there was gas in them all that long they need to be cleaned.

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