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Hi Had a problem with severe misfire/ engine died, after 15-20 minutes of running. Tested everything from gas tank cap to spark plugs etc. Always started up fine when cold but started to misfire after a couple of miles. Electrics were fine, 14 V output and so. Almost given up on this, tried one...

Use a drill to remove most of the rubber, then press the inner tube out with a socket or tube. Then use a hacksaw, like Taezer suggested, to split the outer tube.

http://www.discovolantemoto.co.uk/

I had a stator once, whose windings broke, probably because of vibrations. If copper vibrates it gets hard, if it gets hard it brakes.. I guess that can happen to a rotor too..

Dot 5 (silicone) is great for normal motoring, not for track use. Does not work well with ABS or servo boosters. Dot 5.1 is the same as Dot 3 and 4, but meets another (normally higher) specification. Some older rubber parts , made for Dot 3, do not tolerate Dot 4 or 5.1

Hi! Be careful swapping coils around different ignition systems. A CDI system work quite differently to a points or transistor system. A CDI does not work with 12V to the coil, instead they use something like 400 V, which of course calls for a totally different type of coil.

Since it was running with the old parts, I suggest that you put them back again, one at a time, to isolate the fault. If it is still not working, when all the old parts are back, something must have happened to the wiring.

Are you sure you have the correct rotor for Tci ignition? Points and Tci rotors are not the same, but some aftermarket ones will work on both.

I use an ordinary automotive charger, 12 V , 4 Amps, but with a 2,7 ohms, 10Watts resistor in series. Nothing fancy about that, just something I had laying around, but it works fine. Just watch the time, if you leave it overnight, your battery will be boiled. If the battery feels warm or if you...

You can make a circuit like the one in the picture but omit the diode in the flasher circuit. Keep the diode in the running circuit, as the diode has a natural voltage drop of 0,7-0,8 volts. Maybe that is enough to make a dim running light, if not, you have to add a resistor in the running light...

The same thing happened to me: no response when turning the mixture screw in or out. Turned out that the tip of the adjuster screw had broken off, and was stuck in the low speed orifice. No wonder I couldn't adjust the idle!

To determine max load on the electrical system is really quite simple. Hook up a voltage meter to the battery. Start the engine and rev up to cruising rpm. Voltage should be 14,0-14,4 to get a fully charged battery. Then turn on your electric lights. The voltage should drop when you turn on more...

Well, what do you know....You learn something every day! Unnecessary knowledge: the vacuumcleaner is an Electrolux, who owned Husqvarna motorcycles ("Husky") for a brief time, but then sold it to some Spanish or Italian company. I believe the brand is now owned by BMW.

Just beware that the carbs are clean,you don't want gas fumes into the vacuum cleaner, might be a surprise.....

This is my "flow bench", made up from a vaccumcleaner, a beer can (Carlsberg, not my favorite..) and some masking tape...

Well, that wasn't my experience. As soon as I opened the throttle the slides started lifting. I was surpriced that the vaccumcleaner managed to draw so much air. Also tried to attach both carburettors to the vc at the same time, but that was too much for it, the slides only went up halfway, but...

Was thinking about doing some modifications to the Mikunis, but before that I decided to do some testing. I attached the carburettor to a vaccumcleaner. The hoover sucked air through the Mikuni and the flow was enough to lift the slide all the way up to the top. Then I tried both with and...

Thank you, manas! It has the original Mikuni 38's, with some no- name pods, when I bought it. Changed them to velocity stacks from Dime City, but I am a bit concerned that the stacks make the Mikuni's port holes a bit shrouded. Maybe I will try and attach a short pipe between the Mikuni's...

If you have a look at the original carburettor incorporating the principle of constant depression, the SU, you can see that it has a separate channel from under the piston to the relatively calm air inside the air filter. On the Mikuni, on the other hand, that channel ends right inside the...