Greeting All.
When I bought my 850 some years back, it had this motor in it. It came with the original engine, so this is now sitting as a spare. I think it's a 998 (?) but the number doesn't show in any lists I have.
# 99H834AJH009897 and ideas? It has a mechanical F/Pump.

The head has 8 J6 next to the thermostat, ECAM A4 004 under #4 exhaust lifter, and a "K" next to the heater tap outlet.

Cheers Alex.

Clubby 998 around 1977? vintage.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Thanks DRMini.

I recon the old fella who owned it must have bought a donor and just dropped the whole lot in place of the 850. Furtunately he kept the original so it's back to how god made it!

Cheers
Alex.