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You taking about removing the springs to drop the valves out? I just used a normal car OHC type valve spring compressor With the head gently help in a vice. I can imagine it would be hard if your trying to use an OHV compressor as access is tight even with the OHC.. What type are you using?

Don't buy the bits until you've taken it apart cos you can guarantee you'll just get the wrong ones, also bits of steel will always win against ally and bits of dog clutches/cogs may well have made a mess of some of the castings (may not be important though... As to rebuilding its not that...

hi all i have just finished overhaul on my bigbear 350 and thankfully the motor runs good. however i have noticed that when i am at full lock either right or left there is a knocking which is coming from the left front side:tdown:. the CVs are in good nick as i serviced them when i took it...

give it a good blow out with some compressed air to clear out the jets which are causing overflows, just be careful around the float as there not very strong particularly if theyve been sat in gas for 15 or so years. if youre gonna make up your own muffler soon consider not bothering with...

Connor, i have just taken apart my case on my BB. its not that hard and your engine may benefit from a good take down and clean. i wouldnt be to worried about things being bust inside unless you have some serious runnig issues, but then you need to decide if its actually worth your time to...

I'm pretty sure it's a '94. But it's got bits off every year 88-95

hi all i am new here. i ride a YFM350FW Big Bear which i rescued from deaths door a year ago. it ran occasionally with one out of 4 wheels breaking and only the rears driving. ive spent hundreds of £s on it, largely due to living in the middle of the UK and having to get parts shipped from...