Found one for sale not far from me, wondered if anyone on here has any experience of them?

It looks pretty sweet to me but I've only ever seen a few sketchy videos on YouTube and 1 other for sale.

Would it be a worthwhile investment perhaps?

No experience of them but not for me, unless it was very, very, cheap.

they werent officially imported here in the uk , I imagine getting spares may be a challenge but if the bike is complete and without issues it might be worth a punt...however because of it's rarity it's never going to be a 'sought after' bike is it? Bit like a DT125R will extra Ooomph but when the exhaust goes you're off the road for a long long time!

Its a dt with a big bore thats done right.

Does everything the 125 not a lot more does just dearer. Like Airhead said.

Buy a 125 fit a quality bigbore and you have a better bike tbh.

All good points! I did manage to find some good info earlier and by the sounds of it it's a bit of a mish mash of different bikes.

I did wonder about the exhaust, especially after seeing how the original on my DT faired after a British winter.

Thanks for the advice guys!

Found this if it's of any interest.

Engine Bore x Stroke / Displacement: 66.8mm * 64.0mm / 224cm^3
Ignition: Digital CDI
Starter System: Electric
Transmission: 6-speed
Frame Type: Chrome-moly Steel Tube
Overall Length: 2,225mm
Overall Width: 800mm
Overall Height: 1,200 mm
Seat Height: 865mm
Wheelbase: 1,410mm
Ground Clearance: 300mm
Dry Weight: 121Kg
Tyre Size / Pressure (Front): 3.00-21 51P / 1.25 Kg/cm^3
Tyre Size / Pressure (Rear): 4.60-18 63P / 1.50 Kg/cm^3
Compression Ratio: 6.5:1
Compression Pressure: 8.2 Kg/cm^3
Piston Clearance: 0.045mm - 0.050mm
Piston Outside Diameter Measuring Point: 10.0mm
Ring End Gap (Top / 2nd): 0.30mm - 0.50mm / 0.30mm - 0.50mm
Ring Groove Side Clearance (Top / 2nd): 0.02mm - 0.06mm / 0.030mm - 0.065mm
Valve Clearance (Engine Cold) In/Ex: -
Minimum Autolube Pump Stroke: 0.20mm - 0.24mm
Carburettor Type / Manufactured / I.D. Mark: TM30x1 / MIKUNI / 4TP00
Main Jet: #165 M.J.
Jet Needle, Clip Position: 6DHY40-4 J.N.
Needle Jet: O-0 N.J.
Pilot jet: #22.5 P.J.
Pilot / Air Screw (Turn Out): 1-1/4 P.S. (A.S.)
Float height / Fuel Level: 12.4-13.4/- F.H / F.L
Idling Engine Speed: 1,300-1,400 r/min
Secondary type / Teeth / Ratio: Chain / 55 / 16 / 3.437
Secondary Drive Chain Type / No. of Links: 428VS3 / 132
Transmission Case (Reassemble): 850cm^3 / SAE 10W30 SE Motor Oil
Transmission Case (Filter Change): -
Transmission Case (Periodic Change): 800 cm^3
Oil Tank: 1.3 Litre / Air cooled 2-stroke engine oil
Fuel Tank: 11.0 Litre / Regulator
Front Fork Oil: 542 cm^3 / Fork Oil 10W or Equivalent / -
Rear Shock Absorber (Monocross): 15.0 kg / cm^3
Gear Case (Middle / Final): -
Radiator: 1.26 Litre
Electrical Charging System / Model: C.D.I Magneto
Battery Type / Capacity: GT6B-3 / 1.320 / 12V, 6Ah
Headlight Wattage (High / Low Beam): 12V, 60 / 55 W
Brake Light / Taillight Wattage: 12V, 21 / 5 W
A.C Generator Max Output: 14V, 12A / 5,000 rpm
Lighting / Charging Coil Resistance: -
Pickup Coil / Source Coil Resistance: 820 Ohms +/- 20% (W/R – W/L) | 750 Ohms +/- 20% (B/R – G/W) | 590 Ohms +/- 20% (G/L – G/W)
Ignition Coil (Primary / Secondary): 0.23 Ohms +/- 20% / 7.9k +/- 20%
Spark Plug Type / Gap: BR9ES (NGK) / 0.7mm – 0.8mm
Ignition Timing (Retarded) / (Advanced): 14 degrees (1,350) BTDC

Bottom end is all DT200 so parts aren't too bad to get ot too expensive Top end is unique to the bike and there are only Yamaha original parts available for piston and rings etc.

Yeah and skimming through that list there's a lot thats interchangeable with dt125re/x.

Going to give it a miss though, I'm more interested in the dt175 the bloke has for sale

think I know him, he used to be on here...a red DTMX?

Yeah red and black, with a front/rear disc conversion.

Item number: 221527192210