Project DTZr.....a DT125R love story
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wrote on 30 Oct 2018, 17:50 last edited by
Welcome to the DTZr, a love child of....1 bike with parts from other 3 and lot of ....love....parts.
A first year 4BL model,it began it's life somewhere in Germany and then came to Greece in 1996 to a rental shop,after that came to my possession.
Unfortunately most of the pics from early stages are lost,due to data corruption years ago in my HDD.
It's condition now is this
The 3 bikes from where parts used.
TZR 125 2RH gearbox and clutch assembly
TZR 250 3MA wheels,disc brakes,
DT 200R 3ET Forks with air valves,shock absorber,alloy swingarm,headlight,headlight mask,right radiatorlove...parts
Athena 170kit
DEP exhaust system
new Mikuni 28 with power jet kit to be fitted
parts in general.....PS.I was going to buy a DT200R but every one found was raped at best.
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wrote on 30 Oct 2018, 18:19 last edited by
Plastics repair.
Plastics where damaged and brush painted with car chassis paint.Grey stuff is putty for plastics.
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wrote on 30 Oct 2018, 19:07 last edited by
Looking very smart bud. Loving the fact you're "Keeping it within the family" so to speak...
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wrote on 1 Nov 2018, 17:18 last edited by
The crank before and after.
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wrote on 1 Nov 2018, 17:34 last edited by
The cracnkcases,before and after cleaning and smoothed/matched/checked inside
TZR 125 2RH gearbox (one model of the old TZR had the same gear ratios with the TZR 125RR Belgarda),that one is fitted.
Had to find some different bearings to install,not same with the DT.
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wrote on 1 Nov 2018, 17:44 last edited by
Repairing a hard to find DT200R 3ET alloy swing arm,and this considered good condition.
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wrote on 14 Nov 2018, 16:38 last edited by
@MadGyver I like that colour swing arm
good work -
wrote on 15 Nov 2018, 12:32 last edited by
This is a interesting build. Nice one dude.
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wrote on 13 Sept 2019, 19:03 last edited by MadGyver
Hello,after a long time,it's a slow project due to some personal matters from time to time.
"Last minute" tuning to crankcases for matching,widening,angles retaining and "little" tuning to Athena cylinder/head (trasnfer port shape and sizes,exhaust port shape,size and timing,combustion chamber volume,compression)
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wrote on 14 Sept 2019, 11:06 last edited by
Fabulous stuff!
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wrote on 14 Sept 2019, 17:18 last edited by
Thank you all.
Yes almost everything is painted,machined by me,only an custom axle-spacers for the front-back wheel and a welding back of the frame tail base because of a broken bolt was done to a machine shop. -
wrote on 14 Sept 2019, 17:36 last edited by
This is the frame after the paint removal and acid treatment for the rust,then painted,before paint,cold zinc was applied to the frame for rust protection.That stage and the frame in original condition was lost in the data corruption.
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This is the frame after the paint removal and acid treatment for the rust,then painted,before paint,cold zinc was applied to the frame for rust protection.That stage and the frame in original condition was lost in the data corruption.
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Looking very smart bud. Loving the fact you're "Keeping it within the family" so to speak...
wrote on 23 Oct 2019, 14:58 last edited byThis post is deleted! -
wrote on 7 Jul 2021, 09:37 last edited by MadGyver 7 Jul 2021, 10:43
Hello after a long time.
I had to open the crankcases because of a faulty gearbox part (even checked I've missed it).
Did some further tweaking to the cases,matched them 99+% I believe,and gave a texture to help flow and "grab" more mixture,widened a little the reed valve space and removed some metal from the low right corner for the RZ350 reed valve to be installed.
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wrote on 7 Jul 2021, 09:50 last edited by MadGyver 7 Jul 2021, 10:54
The finished DTZr,it's on the road,I am doing some runnin km's and will go to a friends dyno.
Passed technical inspection with "flying colors".
I didn't put the 3ET headlight because it's no good for night,if you want to see and not just others to see you.
PS.I will shorten a little the front fender.
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wrote on 7 Jul 2021, 11:58 last edited by
Bike looks great and similar (not wheels) to my old DTR that I built years back (profile picture).
I've just bought a 3ET light unit for my 200WR as I believe that they are the same so I'm gutted to hear that they are poor output but I want to go back to stock as the 125X unit I've got does come in white and therefore looks odd.
Interesting that you've also gone down the 3ET swingarm route as I've got one ready to go on my 3SH build - great minds think alike!
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The finished DTZr,it's on the road,I am doing some runnin km's and will go to a friends dyno.
Passed technical inspection with "flying colors".
I didn't put the 3ET headlight because it's no good for night,if you want to see and not just others to see you.PS.I will shorten a little the front fender.
