Mike hazeltine Posted April 1, 2018 Share Posted April 1, 2018 Hi there, I have a 210 solo with a large head and performance exhorst. Is this more powerfully then the early 210 which I think is 15 hp with the later modifications 20 hp. Regards mike Quote Link to comment Share on other sites More sharing options...
Casper Posted April 1, 2018 Share Posted April 1, 2018 Iv'e heard everything from 18 hp to 24 hp with tuned exhaust. And also 14-16hp on the standard engine. It depends on who the seller is. Hirth who makes the engine today claims 14,9 hp http://www.hirth-engines.de/index.php/en/products/75-produkte-en/171-motor-f36 Quote Link to comment Share on other sites More sharing options...
kiwi k Posted April 4, 2018 Share Posted April 4, 2018 Sorry Mike hadn't seen this, but your not far off i have done several tests on my A4, and my findings are it produces about 17.6 hp as opposed to the lesser F models with 13.6 hp. Quote Link to comment Share on other sites More sharing options...
AndyB Posted April 4, 2018 Share Posted April 4, 2018 How have you measured this please? Quote Link to comment Share on other sites More sharing options...
kiwi k Posted April 6, 2018 Share Posted April 6, 2018 Sorry Andy missed this On 4/4/2018 at 12:10, AndyB said: How have you measured this please? Leave it with me as i need to confirm the exact process with my mate as he's the 1 who attaches it his mini dyno and knows the calculation formula on how to work it out. Quote Link to comment Share on other sites More sharing options...
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