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Help with maintenance!!!

Old 09-16-2018, 01:08 PM
Junior Member
Thread Starter
Join Date: Sep 2018
Posts: 15
Default Help with maintenance!!!

I just purchased a 1992 Cbr 600 f2 with just over 30,000 miles on it. The previous owner dropped the bike in his drive way so the right fairing is cracked but zip tied tight.

I want to know what things tend to go bad around this mileage and if I am able to do them at home. I would say I'm decently capable with most car maintenance and oil changes are pretty much the same on bikes but is there anything too look out for?

The forks look good, tires and brakes are good (rear brake is mushy but front stops on a dime) just changed oil. And previous owner said he just replaced the sprocket but didn't know what metal is was made of.

Should I clean out the carbs?
bike idles good but when on choke it starts up good even on colder days around 50F, problem is that it will be reving around 2,500 rpms then jump and stay at 4K.

Besides that, im not too sure what too look for, im newer to the bike scene but have been loving every second of it.

Anyone with tips would be appreciated!!
Old 09-18-2018, 05:55 PM
Senior Member
Join Date: Nov 2016
Location: Dorset
Posts: 200

I'd say replace the plugs and air filter along with the oil as well. Check battery health. If the bike has stood unused for a very long time then tyres may need replacement as well even though they look fine. These are the obvious things to do if one buys used.
Other than these, carb clean, esp if idle is lumpy, followed by carb balancing would help a lot.
ps- ALways use oil with JASO MA/MA2 certfication for bikes as gearbox uses same oil. Again
Old 09-25-2018, 09:55 PM
EchoWars's Avatar
Senior Member
Join Date: Sep 2017
Location: Kansas City
Posts: 363

Get rid of the old coolant as well. Flush & fill with a good 50/50 premix. I use this stuff:
Old 09-27-2018, 04:03 AM
Senior Member
Join Date: May 2016
Location: UK/France
Posts: 132

Not sure about your description of the "jumping from 2500rpm to 4k", but could it be something to do with a sticky choke cable (or throttle cable) ? A bit of lubrication might help .
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