You'll need the DTRE/TZR Crank cases, TZR/DTRE Crank, fly wheel stator CDI, pick up and loom. Basically, you need a DTRE/TZR Engine.

Yes mine goes off the clock as well as only 80mph on the clock and thats with a 16t, pulls well really considering I'm 6ft and 21 stone.lol

@Louis-James Looking good so far mate, nearly finished my latest engine and will post some photos once finished it. I've gone with a 60mm stroker crank from a blaster and spacer plate to raise the cylinder to suit.

No sealant, just make sure the mating faces are completely flat. https://dt125r.co.uk/topic/11/how-to-i-gentle-skim-your-head-barrel

@dan28 AAAHHHH good ole Wilko to the rescue.

can some one with a dtr confirm the fuse is 15 amp? a photo would be be helpful too

@Sgt-Robuck-5 Sounds like a bigger problem to me. I highly recommend Athena and of course genuine. If the surfaces aren't flat then no gasket will seal. I always recommend a quick homemade skim on the head and cylinder before refitting.

@oldman lovely!

No worries. I will start with the RE curve and go from there

I already have a road dtr that one I was selling was a donor/project bike,my road bike however is a nice one,Costs me a fortune but I love it and she’s well worth it, I can’t seem to upload pics or I would get some up to show u

Sorry for the radio silence, I'm still here and still tinkering with the bike. Update time: Stripped down to frame/engine and carted it off to the local engineer to get the swingarm pivot sorted. Absolute nightmare of a job and I dont think the chap is any great rush to see me again...pictures to follow on that one soon. So with that I set about getting the last of the engine mounts out and finally having it fully stripped down. I'm having trouble with the rear mount however which seems to spin but not come out. When I attempted to remove the bolt I heard a troubling "crack" noise and saw what looked like a nut was spinning on the bolt. Many turns later I realised this was actually a completely circular piece of metal that looked like it had snapped off the case - a welded on part maybe? With much determination I got it off (again pics to follow) but now I'm left with the engine mount bolt which isnt for coming out. Is there another bearing/spacer or something on that bolt similar to the swingarm pivot?

Just to chime something else in, my TDR doesn't really have much past 9-10k either, but it seems to be due to a small hole where my silencer meets the expansion chamber. Whenever I patch it up, I get much more pull up the top of the rev range. Sadly my fixes don't last long

Yeah not sure why, ive seen 2nd hand cases labelled 3BN 00, 01 and 02. Maybe its the place of manufacture, or just subtle changes in materials or something? Ive noticed the 00 case has a couple of shallower indents on the outside of the case, and a couple of radius corners are subtly different. Could be a different manufacturer

The way the numbers drop is killing me lol it’s like he was falling to sleep while doing it

I think it's one of each bud. Think. To be fair once you split the engine it should be obvious. They will be labelled appropriately.