My sons Thunder which he's owned for a couple of years . EY02 ABZ . Waiting for an engine rebuild at the moment after No3 cylinder lost compression following a couple of track days . Pretty sure it's a burnt out valve . We thought the valve clearances were hydraulic , doh .
A couple of years ago I persuaded my 18 year old son to track day a Thunder that my work colleague was selling . After a couple of great days at Snetterton the engine developed a misfire( low compression on No3 cylinder) . The experience however has given me an appetite for more so I decided to...
