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Classic, Vintage & Veteran For Coventry and Meriden Models. Anything pre-Hinckley goes.

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Old 11-16-2012, 02:13 AM   #1 (permalink)
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Minitwins
Main Motorcycle: 1969 Bonneville T120R
 
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Long distance trip on vintage Bonneville.

I am planning on doing a long distance trip out west on my 1969 T120R. The total miles I'm guessing will be around 4500. I live in Michigan and have done many trips up north and to the Upper Pennisula. None were as lengthy as this one I'm about to do. My bike has a 1971 motor in it with the following upgrades: Boyer ignition, podtronics regulator, new coils(installed in 2009) new plug wires, top end rebuilt with new valves, guides, and pistons(currently has 8000 miles on it), completely new hand made wiring harness, norton commando spin on oil filter system, 32mm mikuni carbs, new renold chain, and a new rear 46 tooth sprocket. My clutch seems to slip when revved in high 3rd and 4th gear. I am planning on rebuilding the clutch for sure this winter. I do have a Lucas alternator. I have never had any problems with it, but am wondering if I should upgrade while I'm in there to a Pazon or Sparx alternator setup.
I have never been in the bottom end, but it does appear, judging by the trace of Red sealant between the cases that someone has at one point. I was also curious what anybody would think would be the best sprocket set up for good cruising speeds. I never, ever take this bike over 55-60mph or above 4000rpm.
It has been a great bike to ride and have had zero major issues since all the work I've done to it. She's my daily rider and usually ride at least 100 miles a week during the season. I just want to make this bike completely prepared for long trips, like ones she may have taken when she was fresh off the showroom floor. I like to ride her as if modern bikes don't exist and this is all I have...which it is. Any information or experience, or warnings would be greatly appreciated! Thanks guys!
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Old 11-16-2012, 11:54 AM   #2 (permalink)
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The typical stuff you already have covered, apart from getting your clutch sorted. Believe it or not, I have had the best service from inexpensive Emgo clutch friction plates, they are in my race bike.

I do recommend Sparx three phase alternators for any bike with accessories, and/or lighting upgrades. Full Disclosure: I am a Sparx reseller.

The old "redundant cables" trick is a good one, just run secondary replacement cables right along the route of the primary cables, zip-tied in place (A dab of grease at each sheath opening to keep the moisture out). A pair of spare tubes and pair of spare spark plugs is not a bad idea.
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Old 11-16-2012, 02:15 PM   #3 (permalink)
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Never over 4000rpm? Stop babying the old girl!

Seriously though, the Lucas alt is a good bit of kit if working properly. But, as Paul says with proper lights it can struggle to maintain enough volts for the Boyer. If you feel it is playing on your mind a three phase up grade is probably the way to go. I chose the other route and stayed with single phase Lucas but swapped the Boyer for an ignition that didnt depend on a minimum of 11 volts.

Rod
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Old 11-16-2012, 04:00 PM   #4 (permalink)
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You might want to read through a thread I started a week or so ago called 'Comfort and touring' even though the bike is different (T140)you may find some of the info usefull. Ironically your bike sounds sounds like a modern piece of kit compared to mine!

Nice to see these bikes getting used and good luck with the trip.
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Old 11-16-2012, 04:44 PM   #5 (permalink)
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I would put new tyres and tubes on it before that journey.I get 4000 miles from a rear.Maybe others will have other ideas about this,but,i put a little 2 stroke oil in my petrol.Extra lube for the valve guides and upper cylinders.I have never replaced valve guides so i reckon it is a good idea.
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Old 11-17-2012, 06:52 PM   #6 (permalink)
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Main Motorcycle: 1969 Bonneville T120R
 
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I run just a stock wattage bulb in my headlamp. The electrical has nothing special to do it as far as accessories. The wiring harness has all soldered and heat shrink connections. I've had great luck with my Boyer, new podtronics regulator, and Lucas alternator. I think I just worry too much. Im a huge believer in preventative maintenance, but I wonder with this question I have if the old " If it's not broke don't fix it" applies. I was thinking of changing my gearing to 20t front,43t rear. If I could cruise around 60-65mph with no strain on the motor I'd be happy. With my 45t on the rear, she's turning about 3900-4000 rpm at 55mph. I really want to do this trip on my classic bike!!! I value anyone else's experience and tips greatly! Thank you all for the links and articles you've suggested. I was curious Rambo, how much too stroke oil do you put in your tank. I've never heard of this for these bikes. Thanks again!
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Old 11-18-2012, 06:49 AM   #7 (permalink)
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I use 20ml to a tank of fuel. I used to use Redex upper cylinder lubricant which was purpose made for old vehicles,however,its not made now.They only sell fuel system cleaner which looks like the old product,but,is completely different
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