TDR 125 extra power
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@SpookDog
I know what you mean about the WR250/400. There’s no substitute for big CC’s and a torquey motor. My problem is I just love little 2 strokes !
But it’s been a while since I’ve got my hands dirty and stripping and rebuilding the DT125R for my son has been fun, as we all say I just wish I knew last year what I know now …! The problem I’ve got to remember it’s his and when his done his 28 weeks training he’s going to want it back. -
@Calum That particular TDR250 has been on eBay for a while and in the pics, the temp gauge is literally a couple of mm away from the red zone. Not sure how they managed that as the only time mine went that high was after a rebuild when I forgot to connect up one of the carb warmer hoses
In my defence several so-called mates were in my 8' x 14' shed at the time ripping the p!ss out of me to put it together quicker.I'm not sure I'd pay £7k for any TDR250 as it was my 1st "big bike" after passing my test at 18 and although great fun to ride they were something of a disappointment after the DTR. Forks felt (and looked) like they were straight off an air-cooled 70s RD and the frames on all mine had a habit of snapping mounting lugs off through vibration. And the rear suspension linkage don't even get me started; if that was fitted to a bike today I'd consider it a Greta/WEF Nudge Unit plot to discourage motorcycle ownership! Cr@ppy copper/teflon wrapped bushes everywhere which developed MOT failure play about 300 miles after replacement even when road riding without a passenger. I eventually bought a tap and die set and fitted grease nipples to mine which helped but I still had to keep an eye on them. And the plastics broke if a butterfly flapped its wings in the southern hemisphere. I've never really understood this because the R1-Z never suffered from any of these problems as far as I'm aware.
They all seemed to be bought by yobbos who just ran them into the ground as well, I've never known any other bike to have that much appeal to those kinds of people. Such a shame because you could get them to run rings round sportsbikes with a few cheap mods like Renthals, decent tyres etc. I rode one of mine at the '94 Yamaha Track Day at Donington and mixed it with a lot of bigger bikes, including a particularly obnoxious married couple with matching brand new His 'n' Hers YZF750s who made fun of our oily jeans, last-minute setup changes etc.
It was also my 1st taste of modding in the shape of a TZR wheel conversion and a rear light made of 2mm sheet aluminium with a tool-free snap fitting into the tailpiece. A mate with a TZR parallel twin suggested we swap bikes and when following him, I was shocked I looked like that to other road users chucking it round corners with 6" of space above the back wheel, like a sort of Jeremy McGrath/Kevin Schwantz lab experiment gone haywire!
You have to remember the TDR250 was originally a parts bin special to use up all the surplus TZR parallel twin engines and Yamaha can almost be credited with inventing Supermoto by accident just by making it. Many happy memories for me overall, just a shame they didn't run with it and come up with an updated version after a couple of years...
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: @HOTSHOT-III class story
I had heard nothing but good things about the TDR to be fair.
I am not sure I'd pay the asking price, but if the above person wants a bit more grunt out of their 125 then I'd recommend my above statement.
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@Calum
What clocks did you use with the Zeeltronic ignition did you use the stock item or go for digital ones like Koso or Daytona as I’ve currently got a kmh speedo I’m looking at a digital set anyway . -
@Scootjockey zeeltronic ignition is a direct replacement for the CDI unit and has no effect on the speedo/clocks. You can control the advance/retard of the ignition and the opening and closing of the powervalve. I think I have a spare mph Speedo in my workshop if you're interested.
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@markus-w
I realise that they won’t effect the speedo but the electronic ignition gives a digital output or voltage pulse that can be interpreted by the digital clocks ? Or have I read that wrong ? -
@Scootjockey Clocks as in the rev counter
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@Scootjockey but the speedo and rev counter are mechanical not electric?
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@markus-w
Yes I understand that and my train of thought is if ive got KMH clocks, bin these and buy Koso or Daytona the Zeeltronic ignition will give an electronic pulse for the rev counter, after just having a look at the info for the Daytona clocks you would need to install a magnet on the wheel or disk brake to give a pulse for the speedo sensor. If I’m going down the route of installing the Zeeltronic ignition I might as well go the whole hog and go digital clocks for the speedo and rev counter as well ? Hence my question to Callum once installed the Zeeltronic ignition did he replace his clocks as well or just use the standard ones ? -
@Scootjockey zeeltronic ignition is completely separate from the speedo and rev counter. The pulse for the electronic rev counter is taken by simply wrapping a wire around the HT lead to count sparks per minute. But with a zeeltronic you can take or leave the digital clocks are they are independent of each other.
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@Scootjockey I ran vapor trail digital clocks, but not because of the Zeel, but because I swapped out the forks and wheels for USDs and Aprilia RS 125 wheels respectively.
