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I recently rebuilt a Honda SL70 engine to put in my 1972 CT 70 frame. The engine was honed, new rings and gaskets, valves replaced and seats cut, oem carburetor rebuilt, cam chain and gear replaced, as well as the roller in between, and new points, condenser, and plug. Fresh battery. Wiring is...

I am looking for the wiring schematic to install a Piranha into my CT70. I purchased the engine and a “plug and play” harness to connect to my stock harness, but it appears far from plug and play. Does anyone here have access to what I need? I was going to shoot an email to the seller (T-Bolt)...

Do the CT70H models vent the same way?

What prevents outside elements from the chain from entering the vent hole and contaminating the crankcase oil?

Thanks guys for your input. I am just rebuilding to oem specifications, so no modding to be done. Is there any filter or anything that goes in the hole from the factory, or just open to the outside? Nothing is there now, just the hole. Seems like something should be there?? Thanks

I have a sl70 engine that doesn't have the vent tube on the back of the engine like the 3 speed models. I also noticed my ct70H doesn't have that tube either. Where does the crankcase vent? I noticed while rebuilding the bottom end a hole through the casing which exits near the countershaft. Is...

Thanks guys for the suggestions. I rechecked the points today, and they were spot on. I checked the valves, and even though they seemed correct, I loosened and reset them. Rode the bike for an hour after with no issues. Valves must have been off a fraction. Thanks again!!

Have a 1978 CT70 that runs and shifts great when first started. After 10-15 minutes it doesn’t want to shift up or down sometimes. The shifter moves freely, but the gears do not shift. If you fiddle with the shifter, it will eventually engage, but not reliable and definitely not correct for this...

I have a 1970 Honda CT70H that recently started dying after 15-20 minutes of riding and will not restart for 10 or so minutes. I replaced the points and condenser and rode it a couple times for approximately 30 minutes and all was well with the world. But, got the bike out yesterday and after 20...

Anyone live anywhere in southern Indiana, northern Kentucky, western Ohio, or eastern Illinois interested in getting together as soon as weather breaks (April) for some trail riding or county road riding? I have some ct70’s I’m itching to get out on. Not much trail riding here, but LOTS of...

Where did you get your Pirranha 140? Did you also purchase a wiring harness? I have a 1972 CT 70 with no engine and was leaning toward the 140, but I want to run lights also and heard of difficulty with the wiring. Thanks for any help

Had cabin fever today so left work a little early, went home and got out my 1970 candy emerald green HKO and went for a ride. We have 4 inches of snow on the ground, and 20 degrees, but I bundled up like the Michelin Man and took off. We have about 10 miles of gravel roads through a state fish...

New member here. Honda ct 70 was my first bike. Been hooked since then. Currently have 8 ct 70’s from a 1970-1977 here in North Vernon, Indiana. (60 miles south of Indianapolis, 60 miles north of Louisville, Kentucky