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Messages - Eli_Slaminko

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Japanese Bikes / Engine gasket sealant
« on: December 09, 2007, 08:43:36 AM »
I'm in the process of rebuilding the top end of my '73 CB350 twin. Before I took it apart, there was a decent amount of oil seepage from the cylinder head to cylinder gasket. I've noticed that this is a common problem on old Japanese motorcycles. I'd like to prevent this when I put the motor back together. I've heard different theories about what is the best sealant to use. Some say no sealant, copper spray sealant is another idea I've heard. Any thoughts?

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Japanese Bikes / CB350 "Type-1" camshaft identification
« on: February 20, 2008, 09:17:53 AM »
I have a '73 CB350 twin, and I'm in the process of rebuilding the motor.  I also have another CB350 camshaft of unknown year.  The mystery cam came with a  basket case that was supposed to be a '72, but the motor has  a "Type-1" stamped side cover.  I've heard that the early Type-1 cams were a bit hotter than the later models.  The mystery cam has a much smaller base circle than my '73 cam.  I got out the calipers and did some rudimentary measuring.  The base circle of the mystery cam is approx. 0.155" from the base of the cam, and the highest point of the lobe is approx. 0.420" from the base, for a total lift of 0.265".  The '73 cam base circle is 0.211, and the lobe is 0.472, for a lift of 0.261.  So the mystery cam appears to have a bit mor lift, but from just eyeballing the two cams side-by-side, the '73 cam looks like it has more duration.  
The mystery cam has the characters 0, 1, II, and maybe another 1 cast into it.  The '73 has I (or 1), 5, E, and either a 6 or a 9 cast into it.  
Is my mystery a Type-1 cam, and if so, is it indeed a hotter cam that my '73?  Thanks.

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Japanese Bikes / Cam Chain Master Link
« on: February 12, 2008, 10:05:05 AM »
I'm replacing the cam chain on my '73 CB350. I didn't want to split the cases, so I'm trying to use a cam chain with a master link. The EK chain I have came with a rivet-type link that has solid pins. I've tried two different kinds of riveting tools, the MotionPro cam chain breaker/riveter tool, and the MotionPro heavy duty chain riveter. The cam tool is designed to rivet hollow-nosed links, and will not work for mine. The heavy duty tool is usable for solid pin links, but will not work with a small cam chain. I think the chain is a #219. Does anyone know any tricks or a way to successfully rivet one of these master links? I've already ruined two links, and I want to get my bike back on the road. Thanks.

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Japanese Bikes / Changing piston rings w/o honing
« on: December 10, 2007, 06:04:35 AM »
Here's another question while I have the top end off my '73 CB350 twin:  Would it be better to just put it back together with the same piston rings, as the bike's compression was just fine, or would it be better to put new rings in, even though I won't be honing the cylinders?  I'm on a tight budget for this bike, or else I'd do it right.  The bores are in good shape and the compression's good.  Thanks

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Japanese Bikes / Battery Eliminators
« on: November 15, 2007, 09:27:26 AM »
Has anyone had any experience with battery eliminator (capacitor) gizmos on their bikes?  I'm looking at the Bat-Pac brand, specifically.  I tried one on my '75 Honda XL125, but it didn't work since the electrics on the XL had no voltage regulator.  The resistance from the battery was the only means to regulate the voltage.  When I put the capacitor in the system in place of the battery, I was getting full output from the alternator at all times, about 30 volts at idle if I remember correctly.  No good.
I'd like to do away with the battery on my '73 Honda CB350 twin to save weight, make room for some large pod-type air filters, and free up some storage space under the seat.  The CB has a voltage regulator, so it would seem that the Bat-Pac would work.  The bike's kickstart only, so I'm not worried about that.  
Has anyone tried one of these devices?  If so, how'd they work for you?  I know there are the people who will want to respond to this and say that "don't mess with it, the factory designed it that way for a reason", and I respect that opinion, I just strongly disagree in a general sense.  I think the factory more often that not designs their products as a compromise in cost, convenience, laws & regulations, convention, etcetera, making a less that optimal product.  Thanks a lot.

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