Author Topic: DT 50  (Read 1067 times)

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Offline faux fiddy

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DT 50
« on: August 02, 2014, 09:26:51 PM »
These are fun to scoot  around on. This one has been ridden for years after bought used.

It has sat a fair bit and ridden a fair bit.  Since it's starting to be used we thought how good it's been, and how dependable, and after checking the maintainance log  :o ??? ::) :P :-[ :-X :-\
we  decided to go ahead with it's first oil change in almost a decade.

Since you can just walk start it we generally ignored the fact it had trouble idling.  It finally started having trouble starting so I went ahead and changed the sparkplug ten years early. It made little difference, but I was able to start with ether. Had some time this evening to repeatedly alternate filling the float bowl with Berryman's and running it through, it finally idled indefinitely until I ran it more. I will repeat the Berrymans or Seafoam the tank and hopefully it will continue to improve. I also replaced the fuel  line that crumbled.

For the model itself I say heading into it's third decade it's cool next to any scooter, and 5 speed has it's advantages. It's Super economical, and if you stay on the pipe you can sort of get out of the way of traffic, and with my 250 pounds of goo on board, on open road in the right circumstances it will rev towards 9 grand and peg the speedo a bit past 50.
« Last Edit: August 02, 2014, 09:28:25 PM by faux fiddy »
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Offline MoMo

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Re: DT 50
« Reply #1 on: August 02, 2014, 11:27:30 PM »
definitely were fun little bikes.  Actually all small Yammies were...Larry

Offline faux fiddy

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Re: DT 50
« Reply #2 on: August 03, 2014, 01:03:58 AM »
definitely were fun little bikes.  Actually all small Yammies were...Larry

I re-counted gears tonight. I was told it  is a six speed and stand corrected. Found a place on state to innerstate hiways where I can have a downhill straightaway and a flat mile to the next exit, and the exit has a radar that posts.  I  was shutting it down, but I think it said 53 when I went by the radar. I will have to start taking the route when there is no traffic to speak of and start going for my personal record speed.
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Offline MoMo

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Re: DT 50
« Reply #3 on: August 03, 2014, 05:45:27 AM »
Land speed record for a Yammie 50 on the way? ;)

Offline faux fiddy

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Re: DT 50
« Reply #4 on: August 03, 2014, 09:59:18 AM »
I've never been on the track at Texas world, but similar curves. There's a big sweeping turn to the right that merges with a two lane that is isolated from the innerstate traffic for a mile, then a one mile run to the innerstate,  and next  exit  speed is posted at the end of the run.  At the right times there is no traffic.  Definitely room to open it up, and I'm sure someone with way less lbs. and race experience might get 60 from the thing without stage 1 mods.

If the heads were ported to  remove the just the restriction/factory detune I hear it produces 50% more hp.  I'm not sure what it does with the low end torque.

I think the other dt project looks  like more road bike and  less of a dualsport.
http://forums.sohc4.net/index.php?topic=3953.msg1580246#msg1580246
« Last Edit: August 03, 2014, 10:01:58 AM by faux fiddy »
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<'  '  '   '  o .  . . . . . . .................(
 ' VVVVV'   ')))))____>-''''''''''''''''''\  l
' . vvvv_   -              -                 \/