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 Post subject: Re: 1986 F1 garage find
PostPosted: Tue Jun 26, 2012 1:21 pm 
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Joined: Thu Oct 14, 2010 11:23 am
Posts: 1074
So this bike and post are under "new management"? MikeV


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 Post subject: Re: 1986 F1 garage find
PostPosted: Tue Jun 26, 2012 1:58 pm 
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Joined: Sun Aug 08, 2010 8:03 pm
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No Mike, just the thread, Bill bought the bike. Lou


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 Post subject: Re: 1986 F1 garage find
PostPosted: Fri Jun 29, 2012 6:38 am 
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Joined: Fri Oct 15, 2010 12:20 pm
Posts: 1151
Location: Vermont, USA
Well, we're pulling the engine. Before firing, Bruce wanted to be sure the oil lines to the heads had flow restrictions, but none were present. We put some in and fired it up. Allowed it to fully warm up, but Bruce was feeling a subtle vibration he didn't like and it never stopped smoking. So before going any further, it's coming apart. Disappointing, but clearly the thing to do. This will allow more time to continue chassis debugging, but making the July 9th track day is in question.
Bill


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 Post subject: Re: 1986 F1 garage find
PostPosted: Fri Jun 29, 2012 7:28 pm 
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Joined: Tue Oct 05, 2010 9:21 am
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Hay Bill No normal Vermont secrets. We motorheads want to know whats inside that power plant. What cams ..valve sizes ..porting engine size... We want details and pictures.
-Cranky-


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 Post subject: Re: 1986 F1 garage find
PostPosted: Fri Jun 29, 2012 8:43 pm 
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Joined: Fri Oct 15, 2010 12:20 pm
Posts: 1151
Location: Vermont, USA
Just got off the phone with Bruce, and the engine is pretty much a mess. Taking two pair cylinders over tomorrow a.m. and am going to contact Ed Guzzitech to see if he has a decent 750 Paso gearbox. What's the cc limit in P89 Light? Is old school type cheating err... approximation within the spirit of the rules? Damn, I was hoping I was going to get the day off tomorrow. I need to refresh my cocktail.
Bill

Edit: Here's how it looks at the moment. I really want to use my hack saw on those lower engine mount / center stand mounts!


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 Post subject: Re: 1986 F1 garage find
PostPosted: Sat Jun 30, 2012 4:43 pm 
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Joined: Sat Oct 29, 2011 3:38 pm
Posts: 414
Bill, i certainly didn't expect to hear such bad news!
What is wrong with the transmission?
paul


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 Post subject: Re: 1986 F1 garage find
PostPosted: Tue Jul 03, 2012 9:47 am 
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Joined: Fri Oct 15, 2010 12:20 pm
Posts: 1151
Location: Vermont, USA
I think the flip tone of my last post might have implied we were not happy with the condition of the bike we got from Paul. That is absolutely not the case. Paul did a really nice job getting it ready, and we are very happy to have it. What we found in the engine took place long before Paul got it, and took someone with Bruce's experience to recognize that there might be a problem within and the need to tear it down. So thank you Paul, for finding, rescuing, starting it's revival, and allowing us to pick up where you left off.

The engine had a 820 big bore kit installed, and there were signs that something had let go at some point. The iron lined cylinders had scoring. One of the bearings had a good chip taken out of the outer race. The pistons are very early Wisco, with a good 2mm piston to head clearance. Rods are early '90's Carrillo. The crank balancing is way off, like it was done backwards. All the dogs in the gearbox were badly rounded off. The heads, valves, and clutch are o.k. The engine had a hard life back in the day, and the workmanship on it (not Paul's) was not impressive, but saveable. It's an old war horse, and they can be "interesting" to take apart.

I had a pair of cylinders for it, so we can return it to a 750. Bruce had a nicely reconditioned late Paso gearbox for it, with the nice long fine pitch shaft, so no offset sprocket issues. We would like to completely change it over to the later Kokusan ignition, but we need to find ALL the parts. So Bruce is underway with the engine, and I have a plan for the chassis. The only parts I'm desperately wanting is a pair of quick release caliper adapters for 300mm rotors. HELP!! We're thinking with a little luck it might be ready for the big TT/F! party at Loudon in early September. We shall see.

Bill


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 Post subject: Re: 1986 F1 garage find
PostPosted: Tue Jul 10, 2012 2:52 pm 
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Joined: Fri Oct 15, 2010 12:20 pm
Posts: 1151
Location: Vermont, USA
Haven't had that much fun with a hack saw for a while, or that big a work out. Some of that is going back on though.
Bill


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 Post subject: Re: 1986 F1 garage find
PostPosted: Wed Jul 11, 2012 1:20 pm 
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Joined: Thu Oct 14, 2010 11:23 am
Posts: 1074
Amazing how engines can still run at times, isn't it Bill? Some "mechanics" do the strangest things! Don't throw those parts away; someone is probably looking for them. MikeV


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 Post subject: Re: 1986 F1 garage find
PostPosted: Wed Jul 11, 2012 1:44 pm 
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Joined: Fri Oct 15, 2010 12:20 pm
Posts: 1151
Location: Vermont, USA
Hi Mike,
Yes, YES!, and wouldn't think of it.
Bill


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