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So what we have here is a flat tappet Guzzi 8V converted to roller tappet? Excuse my ignorance but an 8 valve has pushrods and cam in the V valley ? And the rollers run on the existing flat tappet cam?
Oh... Like the 60-70's Opel 4 cylinder? So there's a rocker with a cylinder shaped tappet running directly on the cam?....The reason I asked is a roller cam has different lobe profiles than a flat tappet cam....replacing a typical round tappet with a roller will shorten cam duration quite a bit
So you're also replacing the cam... I missed that part...
I've haven't been here for a while because I sold my 1200 2v Sport and bought a Triumph Tiger Sport in November but I'm missing the Guzzi already so If I can find another I'm back in the fold pronto.Before the Triumph I went to my local Guzzi dealer and we had what can be described as a honest and frank discussion about me buying a 8 valve Sport.The discussion came down this. He believed the 8 valve flat tappet motor has a design fault that can only be solved with a roller conversion. He offered to sell me a Sport and straight away put in a warranty claim for roller cams because he had no faith in the existing design. Even then he would only be happy when the roller motors had racked up some decent mileage without problems.The guy had boxes of old cam assemblies and talked me through what he beieved was the cause he was even fitting roller cams at cost to keep his customers on side.I just couldn't bring myself to buy a new bike and then go through a warranty claim without even riding it hence the Triumph.The Triumph is a good bike but the soul is missing. If Guzzi had not shot themselves in the foot with the 8 valve motor I would still be amongst a great bunch of people on this forum, a crying shame for me.
Given the fact that the 1200 Sport hasn't been manufactured since early 2013 none of them were ever made with the roller top end. They all require the 'C' kit to convert to rollers Pete
Oh, and on the oil issue? Yes, using a full ester synthetic is vital. It's obvious if you understand how the engine cools itself.Pete
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