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Post by dodgydoughnut on Aug 5, 2013 6:43:19 GMT 1
after buying a 86 ypvs f2 cheap.and now just sold my r1 track bike.im considering building the f2 up for trackdays. anyone got any advice?. maybe convert to ypmrs specs?
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Post by Norbo on Aug 5, 2013 10:36:08 GMT 1
Don't put all your money in to doing a fast bike put what you have in to suspension and what you have lest go for speed the best handling bike wins races . You need speed of course and you will need all you can get but if you cant use it theirs no point in having it .
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paulh
L plate rider.
Posts: 38
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Post by paulh on Aug 5, 2013 13:12:41 GMT 1
I'm currently rebuilding one to YPM spec (power under YPM regs is actually a bit restricted compared with what you could get out of them, which should keep it fairly reliable) - there is a good build guide on the YPM site.
They seem relatively heavy for a 2 stroke, so remove anything that isn't needed to make it go - there is loads of surplus weight on them.
Triumph TT600 calipers bolt straight on and make a massive difference to the brakes.
If you are going for YPM spec you don't need to spend a lot on tuning - try different exhausts if possible - loads of power to be found there (I found 10hp with no other mods).
And like Norbo says - suspension needs a bit of work as its very soft (or just get used to it).
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Post by icarus001 on Aug 5, 2013 13:19:31 GMT 1
Don't put all your money in to doing a fast bike put what you have in to suspension and what you have lest go for speed the best handling bike wins races . You need speed of course and you will need all you can get but if you cant use it theirs no point in having it . What he said ^^ Decent suspension is worth a lot of BHP, racing taught me that. I recently swapped my LC forks for TZR 2ma ones and then put TZR125rr wheels on, I saved over 10kg in unsprung weight from the heavy LC wheels and rear drum brake, its made a huge difference. When I'm modifying a bike all my money goes into suspension and light wheels, after that it goes on the engine, but only once the suspension and weight has been tackled. |
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Post by dodgydoughnut on Aug 5, 2013 13:26:57 GMT 1
yes mate.looking to make it handle. not going to worry too much about tuning.want it reliable enough. want to surprise a few modern bikes is the plan.budget of maybe 1k spent on it at the moment
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Post by dodgydoughnut on Aug 5, 2013 13:48:54 GMT 1
paulh. mmm what calipers exactly.year?
want to keep it usable on the road for setting up.and keep lights for ease of use.
want it to handle .but dont want to fit for example fzr front an rear end if it will do wierd things to handling.i can build/make fabricate most things so not a problem there.
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paulh
L plate rider.
Posts: 38
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Post by paulh on Aug 5, 2013 15:46:58 GMT 1
Mine are off a 2002 TT600, - but from the YPM regs the following should all bolt straight on
FZR400 3TJ, TZR250 3MA, TZR250 3XV, R1-Z 250, Triumph TT600 and 595 series (all with 83mm bolt spacing)
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Post by icarus001 on Aug 5, 2013 15:59:20 GMT 1
want to surprise a few modern bikes is the plan I think you'll struggle with that. The valve is a 30yr old bike, anything modern designed to go round corners quickly will probably be faster everywhere. I've been on the track with my LC and round tight bends I could nip up the inside of a few people but to be honest thats more about who's riding the bike than anything else. I had my arse kicked by a bloke on an RGV and I reckon I would be faster than him if we were on equal bikes, so the obvious fact is his bike was faster and handled better than mine. The lads I know on CBR600RR's leave me for dead. At legal-ish speeds on the roads I keep up with no real problems, but where I can see they're not really trying too much I'm wrestling with a bendy frame and forks (at least until I put the TZR forks on I was anyway). I obviously do a bit better round town and round really tight country single lane roads, in fact on those roads most litre sportsbikes struggle because of the way they deliver power and the riding position. You'll have a lot of fun and I'm keen to see the results, but unless you do some very impressive tuning then I don't think you'll be worrying too many modern 600's. In fact any of the modern 600's will piss all over a tuned RD500, let alone a 350 valve. |
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paulh
L plate rider.
Posts: 38
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Post by paulh on Aug 5, 2013 16:11:22 GMT 1
want to surprise a few modern bikes is the plan I think you'll struggle with that. The valve is a 30yr old bike, anything modern designed to go round corners quickly will probably be faster everywhere. In fact any of the modern 600's will piss all over a tuned RD500, let alone a 350 valve. Agree with that - took mine to Lydden (not a power track) and struggled against bikes I could pass on my TZR250. Its a lot of fun, but you just get blown away out of corners. and on the straights. |
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Post by dodgydoughnut on Aug 5, 2013 17:03:33 GMT 1
yes i know really but been doing trackdays for7 years on various gsxr and recently a track r1. but getting bored of mega speed and holding back on power. just want to have some personal fun really if that makes sense.fancy a little 400 4 stroke otherwise. so just humour me..haha
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Post by icarus001 on Aug 5, 2013 18:53:41 GMT 1
yes i know really but been doing trackdays for7 years on various gsxr and recently a track r1. but getting bored of mega speed and holding back on power. just want to have some personal fun really if that makes sense.fancy a little 400 4 stroke otherwise. so just humour me..haha Thats exactly why I love my LC, its geared to hit an indicated 100mph flat out and I can thrash the pants off it without having to worry about highsides or flipping it. On something like a GSXR1000 you can't hammer it, not unless you're a BSB level riding god and even then it will bite you if you're not carefull with the throttle. 70mph on my LC feels like 160mph on a GSXR1000, and its way more fun. And I'm a lot less likely to lose my license or put myself through the side of a house. |
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Post by dodgydoughnut on Aug 5, 2013 19:03:47 GMT 1
i still have a k3 gsxr 1000.haha
but push it out the way to get my 4lo out.
2 strokes are a way of life.
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Post by andypeak on Aug 5, 2013 21:47:37 GMT 1
Thanks for the tip, => Triumph TT600 calipers, just bought a set at EBAY! I´ll try that on my LCII bike
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Post by huggy76 on Aug 6, 2013 17:23:04 GMT 1
Oops, don't think they will fit an LC2.
They have got different bolt spacing.
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Post by dodgydoughnut on Aug 6, 2013 18:51:50 GMT 1
if they dont fit.let us know might have them off you
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Post by andypeak on Aug 14, 2013 9:00:54 GMT 1
Hello, I got the Triumph TT600 calipers, looks nice but wont fit my LCII....
Anyone needing a set call or email me! Price 85GBP + shipping
Mobile: +46 723 716017
Mail: andreas.hillby@volvocars.com
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