Hot answers tagged

11

Stupid thing but easy to forget, make sure you have the fuel stopcock on, and that the fuel hasn't evaporated completely. I had a very similar situation with my first bike, a 77 CB500T that had sat for years and I bought for $100. Motorcycles are no different from cars in basic principles, so you need to do the same checks that you'd do with any ...


3

It is difficult to matchup keys only based on a picture. In my travels, I did find several Ilco blank keys that are similar in appearance to yours, I even found a few places that sell them online. It looks like a lot of non-interchangeable keys were used on Honda motorcycles of that era, even for the same model and year. This site has a lot of Honda ...


2

My bet would be an air leak in you intake, this causes the mixture to go excessively lean. Consequently, it only runs decently when you choke it, and even then it may run badly because the mixture is not consistent. You can detect air leaks by spraying air leak finder or just wd-40, on places where there could be an air leak. If there's a leak, you'll hear a ...


2

Repair kits are available to fix stripped plugs. INSTRUCTIONS FOR REPAIR KIT LISTED BELOW The CB750 should be a 14 x 1.5 x 13mm plug size. LINK TO REPAIR KIT The basic concept of steps to repair involve: 1, Cleaning and removing old threads. This is usually done with a drill or ream. 2. The hole is resized and tapped to fit an hardened insert into it, ...


1

Checking compression is good, as is swapping plugs. Be sure to dry off the wet plug with a propane torch before each try. If this '81 CB750 is like my '82 VF750, you have 2 coils where each fires 2 cylinders on alternate revolutions. It seems likely that the coils are OK but swapping the plug wires on those 2 cylinders (same coil) would be a quick way to ...


1

@spicetraders answer is more accurate in regards to doing the 'right' fix but I did also come across another option for those that are looking for a quick fix. The Dorman Oil-Tite is basically a rubber oil drain plug that expands to fill the hole and stop the leak. There is a quick video on YouTube of a guy who's used them on his Hondas: https://www....


Only top voted, non community-wiki answers of a minimum length are eligible