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For some reason a guy made a thread on how to "de-restrict" the Dt125rs
Some were correct but made 3 mistakes
Remove the boost bottle on airbox to carb hose and bung it.
Blank off y.e.i.s. On inlet manifold.
Cut off the airflow guide on the inlet manifold. (the part that sits inside the reed block.
This has misinformed many people, so many previous owners of your DTs have been messed about with.
Here's what a Kitted out DT125r looks like next to the DT200wr
The DTR is so much more chunky. But it does have higher profile and wider tyres + all the accessories on.
I'll get some good shots outside soon when the light is good.
The lights inside look awful so I used BW.
So the oil pump was not flowing. Took it off and the outlet was block. Removed the hose tail and I drilled the smaller bore. Oil now flows through.
Without taking the pump alart again I am unsure if I have drilled too deep and the oil is bypass internally. By blowing through it and operating the throttle.. it doesn't seem to flow more or less on throttle position. Does there need to be drive to the pump and is it a variable gear inside is what changes the flow?
So going to have to inspect.
Or compare to another.
Also bike cuts out when put into gear with stand up or down.. I think it's a faulty sidestand switch
A few little things to sort 
Anyway.. a few pics
All lights, switches and horn are on and functional
Seat brackets made up.
Waiting for my starter motor to arrive.
Then decide what way to go for exhaust.
Actually it's 4 stroke with a fake expansion chamber 
Got the hang of it now. I will "repair" some of my broken images
@cyber-ninja https://youtu.be/KGIQr68yHpc
Got a few small but satisfying jobs to do.
Fit the 17t front sprocket to gear up.
Fit stronger clutch springs (uprated wr200 ones)
Coolant and oil change.
Custom thicker core alloy radiator.
Replace LH crank case cover with a silver one to match.
General fine tune and visual tweeks.
I have it on the bench next to a standard one with a spare sub frame bracket. Bottom hose connector needs repositioning. Mounting brackets need welding on and also for the guard
Frame is now powdered
New tapered headset bearings installed.
Front end half on
New top bushes for the rear shocks to make it compatible.
Here's a little mock up.
Just waiting for my new bike lift to come.
I've got some pod filters on order + crank case vent filters.
Rejetted carbs using an online calculator (I will fine tune but as a starting point for the intake and exhaust mods)
I have a slightly nicer/longer seat now which will suit my stealth appearance.
It's very hard to visualize in your head but I think it's looking more or less like how I hoped
That me, see my thread. Just finished it today. 
Finally arrived
Hi guys, as most are aware I built one previous on my 2003 dt125r.
I have decided to build another one with spare parts I have. Probably even better build to be honest as all transmission bearings are being replaced.
Cases and covers are going to be hard anodised
As you can see the engine has been sand blasted externally (grey)
More pictures to follow.
The final drive shaft was damaged so found a brand new one on eBay from Greece for £30 instead of £140 from Yamaha.
L/h crank case had minor damage, so I made this plate
Porting has begun, not finished yet, also have to check clearance for the 3xp cylinder legs.
I used progrip gaiters for theb xt600, look great and nice quality. They do red also
Just came across a few dts only got a pic of this as was riding my quad.
One down, one to go
Some progress, I fitted the front wheel and fitted the bearings, spacer and seals in the rear wheel, I didn't have enough time to fit it though.
