My cool lightweight plater

18 replies to this topic
  • calbikeman2

Posted 23 January 2012 - 04:00 PM

#1


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Air-cool--ed, that is. They don't make them like this any more!

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  • ccman60

Posted 23 January 2012 - 04:29 PM

#2

Thats Cool. What will it cruise comfortably at??

  • calbikeman2

Posted 23 January 2012 - 05:07 PM

#3

It's probably more comfortable at 55 for a long continuous haul. 60-65 has been ok on highway/freeway, but I've mostly used it to connect offroad trails. For me, there's no substitute for light weight to help you deftly carve tight single-track trails!

  • timbanditos

Posted 23 January 2012 - 07:02 PM

#4

Cool bike man, parts availability decent?

  • 150ron

Posted 23 January 2012 - 07:27 PM

#5

what does that thing weigh?

  • calbikeman2

Posted 23 January 2012 - 07:36 PM

#6

timbanditos,

You might not believe (?!) the parts they have thru the Yamaha site with a "wish list" function! (Go check if you like--for example, this bike is a 1996 RT180; Yamaha dealers can link to that site and allow you to buy online thru them--sometimes with free delivery to that dealer.)



150ron,

I figure the full wet weight at about 250lb.! Very easy to nudge around when otherwise stuck on trail!

  • Ruffus

Posted 24 January 2012 - 06:23 AM

#7

View Postcalbikeman2, on 23 January 2012 - 07:36 PM, said:

timbanditos,
e,
this bike is a 1996 RT180;



150ron,

I figure the full wet weight at about 250lb.! Very easy to nudge around when otherwise stuck on trail!

Sweet. I thought those swingarms were done in the early 80's. I had a street legal 81 IT250. No speedo, no signals, no mirror's, no brake light. LOL
Times have changed. :bonk:

  • grreatdog

Posted 24 January 2012 - 06:47 PM

#8

That is basically a DT175. The only difference I see between that and a 1978 DT175 is the front disk brake plus the seat, tank and headlight mask are a little more modern. I have a friend that is still riding a DT175 he bought new in 1979. He jumped on it then because in 1980 they were going four stroke with the XT200 and he wanted the two stroke. Those old monoshock DT's were fun and tough. So I suspect that will be a fun bike.

  • ccman60

Posted 25 January 2012 - 05:56 AM

#9

View Postcalbikeman2, on 23 January 2012 - 05:07 PM, said:

It's probably more comfortable at 55 for a long continuous haul. 60-65 has been ok on highway/freeway, but I've mostly used it to connect offroad trails. For me, there's no substitute for light weight to help you deftly carve tight single-track trails!
Thats a perferct bike for what you will use it for. Any idea on mpg's or how far on a tank of gas?

  • calbikeman2

Posted 25 January 2012 - 10:23 AM

#10

ccman60,

As original owner, I've used it mainly on trail rides with lots of hilly parts and with moderate-to-heavy throttle---averaging around 40 miles in length. Refilled tank on those rides with about one gallon or a little less--- so the mpgs not spectacular-- but with lower throttle/flatter ground, mileage would probably be somewhat higher. Haven't measured tank capacity, but I think it's between 2 to 3 gallons. Sometimes on trail rides it's been the potential "reserve tanker" for bikes with smaller tanks/bigger gas appetites.

  • calbikeman2

Posted 28 January 2012 - 05:47 PM

#11

Got gas today with maybe a quart left before filling--it took 2.9 gal, so it holds at least 3 gal. Clarke tank obtained thru Thumpertalk Parts Store and includes new, slick petcock valve. Also I'm adding another photo here if I can remember how.

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  • joshua_inigo

Posted 22 February 2012 - 01:34 AM

#12

View Postgrreatdog, on 24 January 2012 - 06:47 PM, said:

That is basically a DT175. The only difference I see between that and a 1978 DT175 is the front disk brake plus the seat, tank and headlight mask are a little more modern. I have a friend that is still riding a DT175 he bought new in 1979. He jumped on it then because in 1980 they were going four stroke with the XT200 and he wanted the two stroke. Those old monoshock DT's were fun and tough. So I suspect that will be a fun bike.

:thumbsup: True sir! :thumbsup:

Here in Philippines, Yamaha ceased on selling them in 2007. However, Yamaha South Africa (particularly in Zambia) still makes 'em DT125's and 175's.

http://www.yamaha.co...e/entityview/31

http://www.yamaha.co...dt125-bwc1.html

  • joshua_inigo

Posted 22 February 2012 - 01:37 AM

#13

View Postcalbikeman2, on 28 January 2012 - 05:47 PM, said:

Got gas today with maybe a quart left before filling--it took 2.9 gal, so it holds at least 3 gal. Clarke tank obtained thru Thumpertalk Parts Store and includes new, slick petcock valve. Also I'm adding another photo here if I can remember how.

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Haha!!!! Very nice photo sir! That torque-induction boost bottle is the classic signature of the DT's!

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  • joshua_inigo

Posted 22 February 2012 - 01:59 AM

#14

View Postcalbikeman2, on 25 January 2012 - 10:23 AM, said:

ccman60,

As original owner, I've used it mainly on trail rides with lots of hilly parts and with moderate-to-heavy throttle---averaging around 40 miles in length. Refilled tank on those rides with about one gallon or a little less--- so the mpgs not spectacular-- but with lower throttle/flatter ground, mileage would probably be somewhat higher. Haven't measured tank capacity, but I think it's between 2 to 3 gallons. Sometimes on trail rides it's been the potential "reserve tanker" for bikes with smaller tanks/bigger gas appetites.

Hi sir. With my former DT125, my fuel mileage goes around 31 to 32 km per litre (73 to 75 miles per US gallon) in an open highway. i don't have figures when i was trail-riding with it. Too bad i sold the lovely bike in 2007 (together with an '03 YZ125) just to add up for the purchase of a 2008 YZ250 imported all the way from California. Adding further to the aggravation was in 2007, Yamaha Philippines stopped issuing the DT125 and 175 due to environmental emission blah blah blah hehe :D ....The much older DT175 i used to have was from my dad, that too was sold much earlier in the early 90's.

If i can only bring back time, i would have kept them....
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Here's my ride at the moment
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But boy, how much i always remember the darn DT's whenever the trails gets tougher, too wet, too slippery, too rocky, and when i need to ride like a paddle-foot p-u-s-s-y rider. Not an instant that i don't regret bigtime sir for selling them.

  • calbikeman2

Posted 22 February 2012 - 04:16 PM

#15

Thanks for sharing, Joshua! I must admit that I like the smell (and sound) of 2-stroke exhaust---especially when it's from Castor bean racing oil! Your new ride looks sweet--talk about power-to-weight ratio! I imagine it is pretty much of a featherweight with that non-ferrous frame! I hope ya got knee and shin pads, Brah!

I wouldn't be selling myRT180 either if I didn't now need e-start.

  • joshua_inigo

Posted 22 February 2012 - 06:58 PM

#16

View Postcalbikeman2, on 22 February 2012 - 04:16 PM, said:

Thanks for sharing, Joshua! I must admit that I like the smell (and sound) of 2-stroke exhaust---especially when it's from Castor bean racing oil! Your new ride looks sweet--talk about power-to-weight ratio! I imagine it is pretty much of a featherweight with that non-ferrous frame! I hope ya got knee and shin pads, Brah!

I wouldn't be selling myRT180 either if I didn't now need e-start.

Good day Calbikeman, that blurred pic is just one of those casual trail rides. When the trail is quite radical, i'm fully geared sir. Thanks heaps for the advice!

I trust that everything is well with you always as a family.... GOD bless.

Kind regards.

  • calbikeman2

Posted 24 February 2012 - 09:35 AM

#17

Thanks, Joshua, and MABUHAY!

  • joshua_inigo

Posted 08 March 2012 - 07:55 AM

#18

Good day Calbikeman.

This was how my former DT125 sounded, so bone-stock that from the sound of the pipe itself, you would know already that it's a low-compression engine hehe (7.2 : 1 to be exact).... Even had a side mirror for it as it was intended only for the streets.... This vid was taken the first time i took her out in the trails. Didn't realise before that it does really really fine out there in the trails until that day! T'was even absolutely easier to kinda lug it and blip-blip the throttle while climbing and negotiating tight hills than my former 2003 YZ125 with a FMF shorty pipe ;) ....The torque is just everywhere from these boost-bottle equipped (for torque induction) small DT's. The stock pipe with buffles inside is also one of the tickets apart from the boost-bottle in climbing hills, unlike any aftermarket open pipes typical on MX bikes....

In here you'd also see my buddy's green Kawasaki KMX125 enduro. The engine is a direct-derivative of the 1983 KX125 MX bike.

View Postjoshua_inigo, on 08 March 2012 - 02:48 AM, said:

....
i used to take her out in the trails even in bone-stock trim as she is, and she sure went up to any hills quite fine like this one seen from afar....

Kind regards....

  • joshua_inigo

Posted 08 March 2012 - 08:01 AM

#19

View Postcalbikeman2, on 22 February 2012 - 04:16 PM, said:

Thanks for sharing, Joshua! I must admit that I like the smell (and sound) of 2-stroke exhaust---especially when it's from Castor bean racing oil! Your new ride looks sweet--talk about power-to-weight ratio! I imagine it is pretty much of a featherweight with that non-ferrous frame! I hope ya got knee and shin pads, Brah!

I wouldn't be selling my RT180 either if I didn't now need e-start.

Yup Calbikeman, DT's are a KEEPER! ....and i'm actually on the hunt now for a used one, hoping for a DT125 with the front wheel disc-brake model :ride:

Re the power-to-weight ratio:

2008 YZ250

Dry weight:
211.20 lbs (96.00 kg)


Power:
46.8 hp SAE


Power-to-weight ratio: 0.49 hp/kg-dry

Add 8 litres of premix, 1 litre coolant and water, 750 ml of crank oil, and brake fluid:
Approx. 16.78 lbs (7.63 kg)

Wet weight:
211.20 + 16.78 = 227.98 lbs (103.63 kg)


Power-to-weight ratio: 0.45 hp/kg-wet



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