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Messages - 1976RD400C

General Chatter / Re: Suzuki T500
July 02, 2024, 10:21:53 AM
I have a T500 head that's been laying around for decades if someone needs one, just pay shipping.
Does the other piston look like it was getting hot too?
I would expect that to need a new piston. Post up pictures of everything after you take it apart to help figure out what caused it to happen. 
You better at least take off the pipes and look at the piston skirts.
Turning Wrenches / Re: 2R9 Cylinder sleeve question
June 18, 2024, 01:24:18 PM
Ed Erlenbach's port maps
10 wt oil? I use 20 wt with my Mikes XS emulators. I don't think the XS650 orifices are the same as Race Tech ones made for a RD. I guess it's easy enough to change out for the desired effect. I'm 150 pounds and it is not stiff.
I would try going the other way with the needle clip and lean it out.
Turning Wrenches / Re: Discolored piston
May 27, 2024, 05:54:56 AM
Did the spark plugs and combustion chambers look the same? Coolant in the combustion chamber will clean the carbon out but if the coolant was coming out the top of the dome insert that's not in the combustion chamber.
Turning Wrenches / Re: Help with my left cylinder
May 14, 2024, 05:59:45 AM
Carb sync ok?
Turning Wrenches / Re: bearing race rotation
April 30, 2024, 06:22:14 AM
I would go with the green Loctite. That's what it was made for, "restoring fits to worn assemblies" and the spec sheet says it is not affected by gas or oil.
Turning Wrenches / Re: Another coil question
April 26, 2024, 05:35:03 PM
A friend of mine had his headlight go out on his 60's Triumph while riding on a dark twisty road. Went in the ditch and down. He never forgave his bike for that.
Back when I worked at a machine shop in the 70's we did those tiny ones on the Sunnen power hone. It could do .010" no problem petty quickly.
Turning Wrenches / Re: Another coil question
April 25, 2024, 03:50:14 PM
You can measure the primary winding resistance in your old coils and compare it to the auto ones. Test across the 2 small wires coming out of the coil. I think the oem ones should be about 3-4 ohms and if the auto ones are close to that it should be ok. If the auto coils are only 1 ohm they may get too warm and a ballast resistor will fix that, like what is on the RD400.
General Chatter / Re: LA drivers
April 24, 2024, 11:45:31 AM
Not with my bike but while driving my car, THE TAILGATING, OMG THE TAILGATING.