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-   -   CBF500 wont start (http://forums.sv650.org/showthread.php?t=160174)

bris 27-11-10 10:58 AM

CBF500 wont start
 
Just tried to start the 2008 CBF500 for the first time in about 3 months and it wont start. Turns over good but doesn't even try to start. I took the spark plugs out and tested for a spark which was good on both plugs so getting a spark. The fuel is getting out the tank but now I'm stuck any ideas what to check now.

maviczap 27-11-10 11:04 AM

Re: CBF500 wont start
 
Gummed up fuel in the carbs, drain it off and fill it with fresh fuel might work, other wise you'll need to strip the carbs down

bris 27-11-10 11:27 AM

Re: CBF500 wont start
 
Thanks for the quick reply. Is there an easy way to drain the carbs without stripping everything down.
Found a couple of drain screws so drained of the fuel.

bris 27-11-10 11:45 AM

Re: CBF500 wont start
 
Still not trying to start will need to strip the carbs. Is this easy to do and is it easy to clean out. Thanks.

maviczap 27-11-10 12:02 PM

Re: CBF500 wont start
 
Get some carb cleaner or clean petrol to disolve to old petrol.

Before you do take carbs off, make sure petrol is getting to carbs, will save a lot of work.

Is there plenty of fuel in the tank, does the fuel get to the carbs, or is the filter blocked?

andrewsmith 27-11-10 12:51 PM

Re: CBF500 wont start
 
Quote:

Originally Posted by maviczap (Post 2430582)
Gummed up fuel in the carbs, drain it off and fill it with fresh fuel might work, other wise you'll need to strip the carbs down

Mavi im sure the 2008 CBF's are FI
CB's were Carby's

EDIT: I'm a tool, it beat the emission rule changes (that pushed FI as the standard) and is a Carby

maviczap 27-11-10 03:06 PM

Re: CBF500 wont start
 
Quote:

Originally Posted by andrewsmith (Post 2430614)
Mavi im sure the 2008 CBF's are FI
CB's were Carby's

EDIT: I'm a tool, it beat the emission rule changes (that pushed FI as the standard) and is a Carby

You had me worried there :stupid:

bris 27-11-10 08:28 PM

Re: CBF500 wont start
 
Fuel is getting to the carbs, bit stuck now though as getting the carbs out is next to impossible. Looks like on this bike you need to take quite a bit apart to free them.
Is there no additives out there that will dissolve the gunk.

maviczap 27-11-10 08:37 PM

Re: CBF500 wont start
 
Buy some carb cleaner. See suggestions here

http://answers.yahoo.com/question/in...6164435AAcaysM

-Ralph- 27-11-10 08:48 PM

Re: CBF500 wont start
 
How long have you turned it over on the starter motor for?


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