Vintage 1920 Triumph Model P flat-tank motorcycle engine

Vintage 1920 Triumph Model P flat-tank motorcycle engine


Vintage 1920 Triumph Model P flat-tank motorcycle engine


Sold as you see it and still with some grime on it. It’s being sold for refurbishment with some parts missing. There are some broken fins and some fixings are missing. It has the crank and connecting rod, but no piston.

This would make a good spare to keep just in case you need the parts for your Model P. Or, build it up and use it.

The engine number and “Triumph” side casting are unclear.

I’d prefer it if you came and viewed the engine before you press the BUY button. That way you are totally certain that you are aware of the condition. If you can’t make it, please ask questions. If you have any doubts, please don’t buy. It’s not worth the aggravation for either of us.
I’m near Cambridge (UK). You’re welcome to come and check it over before you buy. Or, send a local friend if you’re a long way from me.

Other early Triumph parts: I have some. Please get in touch.




  • International shipping available. Please ask.
  • Combined shipping available if you buy other parts. 
  • I usually ship to most destinations. If you don’t see a price, please ask. Shipping is in addition to the listed price for the item.

Viewing: Please come and check it over before you buy. It is at PE28, near St Ives in Cambridgeshire.

Collection: If you don’t want it shipped, I have plenty of space. If you can’t collect for a while, it’s not a problem. However, I will need to be paid very soon after the sale. Thanks.

Payment: This site has a facility to pay online. Good old fashioned money on collection is preferred. I can accept payment through PayPal or by bank transfer as well.

Import Taxes: Please note that IMPORT DUTIES are not something I can control. If you are buying from outside the UK, there is a chance that you will have to pay import taxes. Import taxes vary from country to country. If there are charges to pay, it is the buyer’s responsibility to research the cost and pay the duties. The price that you see on my advert is for the item and not the item plus whatever taxes might be due.

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