Last month I re-built into brand new crank cases my 74 RH250L engine. Having owned the bike for 20+ years and knowing how reliable they are Im considering selling the leftovers of the engine as I have a complete spare (the engine that came with the bike when new) and the next 20 years of riding it conered parts wise. I dont see the point in hanging on to things if there is a chance that someone can use the bits to get another bike on the track; so
I have Crankcases # RH250 0000376 - that means its a 74. I have the clutch cover, mag cover, an ignition and rotor, most of the gear box but not all, the primary drive (very hard part to get) and I have a couple of cranks that will need rebuild to include as well and a collection of various other bits internal but not everything. I will include a parts catalogue photo copy with the engine.
There is minor damage to the cases where the countershaft sproket mounts and the front upper engine mount needs repair - they all bust at this point but its not serious.
Not included is a head and barrel carb, as a lot of guys have these on TM's and are not common but you can find them if you try. I will help you with set up / carb spec etc.
Over the years I have had a lot of RH and RN parts and have always parted it out to assist others in making bikes, there would be few RHs in the world that some of the bits have not passed thru my hands but these are the last bits I will ever sell.
Im open to offers PM me if your interested.
Dave Tanner # 211