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Oh dear, a very old post and no answers.
Short n sweet, do NOT use engine oil.
Twin Air, No-Toil, Belray, Putoline and all the major ol companies make air filter specific oils and this is the ONLY type of oil to use. Anything else will cause either carb fouling or restrict air flow.

Dave

hey guys im new to this forum, but i would like to know if anyone knows where i can find a complete graphic and seat cover kit for a 2001 yz25o hurricane style? hit me up and let me know. thanks!

Can someone please tell me if there is an alternative oil that i can use to saturate my filter in before i install it in my YZ450F.  Its a twin air filter. Just wondering if i can use regular engine oil or something because i cant find any of the recomended brands or types.

Well to have 2 engines go in such a short space of time is unlucky for sure.
It's hard to say what it could have been. Low oil can be a culprit, as can incorrect running in procedure, as can sucking something into the engine, or just back luck.

Hey guys iam a 36 year old freestyle rider from canada can you share some stories of bad luck at the track or free riding or of ramps and tell us how many bones you broke iam up to 12 major bones hope no more my wife and kids think iam nuts i own a small construction bus. and i love to ride my last bad luck was in july i was at the track and a friend had a quad they tried to jump this triple no one would do it i do it all the time on my bike i dont ride much quad well the fist one was good but the second was not so good a came up short on the last triple and hit the top of jump botton out well finale result broken jaw three ribs one wrist left foreharm and right shine bone well now lets hear some of use guys stories keep it real KEEP IT WIDE OPEN breeeeep.thanks FROM CANADA

[I think i must have the worst luck ever. I purchased a brand new Viva 125cc Pitbike/Scrambler hoping for plenty of fun with my mates who already owned pitbikes. I knew not to rag the engine straight away so i would just cruise around a little track i made up in 2nd or low 3rd gear not opening up the throttle fully. As i was wearing in my engine on about my 4th day out i heard a massive loud bang and the engine cut out. So i put it in neutral and tried to kick it over, but there was no pressure,my kick start jus went down as easy as feather. Then after a while the pressure was to much and no one could kick it over. So after retreating home i left it to cool down. i tried about 1hour later and it kicked over. I sat there wondeirng what it was when yet again sure enough it went again. So i took out the engine popped to daves and sure enough the engine had seized. So £400 down the line i had a brand new Xsport 125cc sitting in my pitbike. Yet again i took it slowly and yet again on roughly my 4th time out sure enough it has gone again. Please could you give me any ideas on what might be wrong. PLease no one say its my riding because i can ride perfectly well considering i kept a previous pitbike for 1year with no problems with the engine.]

I think i must have the worst luck ever. I purchased a brand new Viva 125cc Pitbike/Scrambler hoping for plenty of fun with my mates who already owned pitbikes. I knew not to rag the engine straight away so i would just cruise around a little track i made up in 2nd or low 3rd gear not opening up the throttle fully. As i was wearing in my engine on about my 4th day out i heard a massive loud bang and the engine cut out. So i put it in neutral and tried to kick it over, but there was no pressure,my kick start jus went down as easy as feather. Then after a while the pressure was to much and no one could kick it over. So after retreating home i left it to cool down. i tried about 1hour later and it kicked over. I sat there wondeirng what it was when yet again sure enough it went again. So i took out the engine popped to daves and sure enough the engine had seized. So £400 down the line i had a brand new Xsport 125cc sitting in my pitbike. Yet again i took it slowly and yet again on roughly my 4th time out sure enough it has gone again. Please could you give me any ideas on what might be wrong. PLease no one say its my riding because i can ride perfectly well considering i kept a previous pitbike for 1year with no problems with the engine.

Not sure if there's a place in IOM that sells parts to be honest.
The timing marks are straight forward enough. Under the cam cover (left cover) you'll see the cam gear which has a dot on it. That lines up with the cut out in the casing towards the front of the head on the compression stroke. When the piston is TDC and the marks line up, both the valve lifters should be at their lowest point (on the rounded side of the cam, not the egg shaped part)

I have my newphews 110 machine in bit he bend an inllet valve if anyone could let me know where i could get an inlet valve in the isle of man and any tips on the timing it would make a ten year old boy very happy

Don't groan, it's a worthy cause.

This chap emailed me to let me know about his charity race.
As you lot are all loaded and have hearts as big as elephants, go along to his website and check out what he's getting up to and how you can help.
All and any support I imagine would be gratefully received.

http://www.riderappeal4leukaemia.webeden.co.uk/

Go on, have a look see, you've got nothing to lose but a minute of your time and you're bored at work anyway.

do Southern run it in reverse all the time?
[/quote

it suited me cos id never been there before and pychologically i prefer right hand corners ( dont know why!!) i made up most of my time on the dirt section - longer the better as far as i'm concerned!!

good luck this weeknd Ryan - got your work cut out beating Keiron!! - will be great to watch!!