2nd gen carb inspection tips ?

Pulled the carbs from my 86vfr700, now sitting on my worktable. Everything looks pretty clean, no leaky o-rings or torn rubber diaphrams.

Bike has about 30k on the clock, so I guess some parts are ready to be replaced. Any hints what I should look for (ie. worn parts) ?

Can I get by with a visual inspection or do I need to bring a micrometer to the party ?

thanks

 

Things usually get clogged before anything wears out.

If float valves weren't leaking, swab some scotchbrite or #1000 around inside to clean the needle seat of corrosion or dirt and reuse needles. I've begun using wet Q-tips coated with kitchen cleanser spun around in the needle seats to remove deposits.

No micrometer, but you'll need to check the float level within + and - 1mm or better.

Making a gauge is best for consistent settings, but other tools work too.




Shoot some lube down the throttle shafts.

 

Thanks squirrel.

I noticed the float valves have an internal spring, last carb cleaning I had a spring stuck, it took some persuasion to unstick.

The float height is a PITA to set. Using a tread depth gauge is a clever idea. Alas, I'll have to wait a while before I can get an AARP card...