Yes I was only look at some pictures of the Rayer conversion earlier and noticed the DT head. Maybe using the whole DT engine would make more sense rather than having to modifiy the TY crankcase to suit. I'll have a look at the gear ratios and see who different they are.
The piston seems a bit harder, I can't find anyone who does a piston that big for a DT or WR200. I have found some big pistons for Yamaha Blaster quads which I believe is the same engine as a DT/WR but with an aircooled top end.
Not sure is these will work 72.5mm and 72mm Not sure on the pin size though?
I was chatting to a bloke at the scottish who attmpted to have a go on one, he kicked it over and couldn't get it started so kicked a little harder and heard a loud crunch!!!!!! on inspection it had smashed the casing around the kickstart all the way in to the middle of the engine!!!!!! now according to him this has happened to four or five of the beta 4t's which have had the 300 kit fitted.
This is unfortunaly due to the bloke not kicking the bike over properly not a fault with the bikes internals. Four strokes dont need sunch a harsh prod like a 2 stoke to get it going, a smooth a consistant kick is what's needed. I've seen two 4RTs do similar things down here from people kicking them to hard.
Yep sumpguard off is the only proper way to do it.
When you put the sump guard back on put the two back bolts in very loose and then put the bike on a stand of some sort to put the weight on the guard and flex it up to put in the two front bolts
Ive been using the same pair of Jitsie pegs for about 10 months now although they've been on three bikes. They're still in one peice and i haven't lost any pins, i'd say for durabilty they are among the best.
As for the feel of them they are stupidly grippy to the point where you feel like your feet are stuck to the pegs! You get used to this after a short peirod and then they just feel very natural.
dont use a scotchbright i got one from work thinking the same thing to take the scrathes out but i think that the aly is either anodised or a laquer put over to pretect it.(sorry if something like this has already been said i havent read ever post )
They're laquered, a right a*** to strip a complete frame.
Whats with the huge selection of top ends! Are we now able to buy a vast array of differnt capacitys for 2t and the one for the 4t plus differnt cams for the 4t?
Looks that way doesn't it?? I'll get my dad to find some info from Lampkins tomorrow.
Chances are you've got the alloy wheel spacers the wrong way round, one is slightly bigger than the other that one should be disc side. Other than that your on your own!
The sproket and disc will fit but the spacing is completly differrent and would require custome wheel spacers and spacing the disc. Not really worth it by the time you've do all that.
number 10. Matt Tupman
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How far can you bore a TY175
in Yamaha
Posted
Yes I was only look at some pictures of the Rayer conversion earlier and noticed the DT head. Maybe using the whole DT engine would make more sense rather than having to modifiy the TY crankcase to suit. I'll have a look at the gear ratios and see who different they are.