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Motu

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About Motu

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    TT Bronze Member

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    New Zealand
  1. Motu

    Looking for a Twin Shock and info

    I went from a 350 Sherpa T to a TY175 back in the early '80,didn't have to change my riding at all.The TY250 was hardly ever ridden competitively in trials over here,but the TY175 was everywhere.They were the perfect beginners bike,and that's why I got rid of the Sherpa T for the TY,it was too much for a first trials bike.The TY175 is often seen in Twinshock trials here,and good riders win expert events on them.The engine is a gem,they are really let down by the forks...but in this century we have the knowledge to sort that out.A bike from the end of the twinshock era would be my choice....Fantic.
  2. Motu

    1986 TLR200 is same as Reflex?

    No - one was capable of competing in trials in it's day.The other was more a trail bike based on a trials bike.
  3. Motu

    1986 TLR200 is same as Reflex?

    The Reflex has steel wheels,thinner forks with less travel,small steel bash plate,steel brake levers.They had full road gear as well - but so did the TLR200's sold here,although I've never seen one used on the road.They were sold and used as trials bikes over here. http://www.trialscentral.com/forums/index.php?showtopic=9579
  4. Motu

    How big can i go xt500

    All the big air cooled Yamaha singles have the same stroke - 84mm.The XT500 has an 87mm bore,the XT600 has a 95mm bore,the early SRX600 had a 96mm bore,and the XT660 has a 100mm bore.I don't know how big you can go with the 500,but a 101mm piston is available for the XT600.
  5. Motu

    ***** Official CRF150R CAM Recall *****

    Well we have the kits in New Zealand - we did our two showroom bikes a couple of weeks ago,and one was sold last week.Look for a dot punch mark after the VIN number on the steering head to show it's been done.
  6. Motu

    Shocks

    I got some cheap and nasty aftermarket shock for a TT500.They are 20mm longer than stock,so no problems.I cut the cam ring pegs in half,just one spot weld,and also filed the cam ring to get the correct spring tension to my weight.Then I drilled a hole in the body and drained out the thick oil.....brazed on a nut and bolt,and filled them with 10 weight.Now sag and damping are perfect....I've been using these in trials for 6 years.
  7. Motu

    trials tire on a xr400?

    The dirt track guys over here used to use them no problem,and I used to dirt track on them as well.You run lower pressures and the tyre folds over,you will actualy be running on the inside of the outer knob.Have you ever seen a road ridden knob that wears flat? They wear flat not because the rider is too scared to lean it over,but because it wears the inside of the outer knobs,not the outside.If this site was better at posting images I could show you a recent tyre I removed with that wear pattern. Most of the older trials bikes use tubed tyres,there is no problem running tubes.A tubeless tyre with a tube is sometimes hard to fully seat on the rim,but I've had one like that for 10 years,no problem.But you can get tubed competiton trials tyres.
  8. Motu

    MX Tire to Trials Tire Misfit??

    Try a speedway rear,they are 3.50x19.I used to use a Kenda,apparently they were made for a hard pack track,the Barum and Dunlops were more for cinder tracks (loose).
  9. Motu

    Dt 230 traction control.

    I've never noticed my traction control working....is it coming on and creating a problem for you? The DT230 comes on pretty strong right off the bottom end,and I guess for inexperienced riders it could be too much to handle,so Yamaha have the traction control to cut back the power in tricky situations where a big surge of 2 stroke power would get you into trouble.But if you plan your moves,choose the correct gear and use momentum and throttle control you won't get into the traction control.
  10. Diesel oil is usually rated for Alison,so is not a problem for clutches,also has a very strong additive package.If you are going to use an engine oil in your trans a diesel oil would be the best bet.
  11. Motu

    dt200\dt230

    The DT's are street legal and have steel tanks and oil pumps along with all the other road gear.They also have electronic powervalves,I'm not sure if the WR200 had an electronic or mechanical power valve.Dunno about the power,I'd expect them to be pretty close,but maybe a bit of edge knocked off the DT.The DT230 was tuned for more bottom end,the increase in capacity kept the power up there....39hp for a DT230,pretty respectable for a small trail bike.
  12. The KT250 has very good support on the internet,with parts and workshop manuals online.Fred from here in New Zealand makes many parts for them.He supplied me a Honda piston he machined to fit as a replacement for Kawasaki ones,carb and air filter rubbers,decals,bars,fuel caps....if someone has a need he gets them made. Personaly I found the TY175 the best Japanese trials bike,it could pull anywhere in the same gear as my 350 SherpaT,and as it was narrower with more ground clearance and lighter to boot I prefered it over the Bultaco.But I never liked the forks.The KT250 was by far the most popular 250 Japanese bike,good suspension and grunty motor,but they are just not ''quite right''.I always remember it was very hard to turn tight with throttle,it just pushed.
  13. Motu

    dt200\dt230

    I don't know about late model DT200's,but the DT230 was developed from them - I'm not sure of the equipment level of the late model DT200.I think it's just a bigger bore,but a smaller carb and tuned for more bottom end for the DT230. I have a 1997 DT230,the differences from the old DT200 are traction control,electric starter,digital dash.Mine is White with a black seat,early DT230's were white/red,in 1999 they went to Yamaha blue,but I think there was an interim model with white panels and guards with a blue tank....I've seen a couple like that,but they could be replacement tanks.Wheels are the same,although the rear rim is narrower,and the front has speedo drive.I have DT200 wheels for off road and use the DT200 speedo for adventure rides as the DT230 speedo is from the rear wheel...no good with gearing changes. So does your 1997 DT200 look like the old DT200 or the later DT230?
  14. I would definatly go for a late '70's early '80's Bultaco or Montesa,the Japanese stuff was just never competitive,no body ever rode them in the top grades.Over here we call a classic pre mid '60's,mainly British bikes and old school 2 Strokes,after that we call them Twinshocks...both can still ride the same lines but have seperate result placings.It's not fair to have an old British thumper have to compete on the same level as the last Twinshock Fantic.We have seperate Classic/Twinshock trials,but Twinshocks are catered for at any trial and can ride any line they feel capable of.I've seen blue Sherpa T's and TLR250's riding the expert line and winning against all.It's the rider of course. Riders of modern bikes often won't go back to an older style bike,it's just too much hard work after a modern bike...and they don't see the point in getting all the 5's and 3's for no reason.If you are going to ride a modern,get a modern.
  15. Motu

    TY250 Forks on TL125

    We fitted KT250 forks to a TL125 once,deraked it at the same time.Was a very nice handling bike....25 yrs is a long time ago and my memory not so good - but I reckon it steered better than my TLR200 does today.The KT250 forks are better than TY250 forks in my opinion....but it's a matter of using what you got or can find.
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