Tinkicker

T**t.

Genuine OEM. Do not be tempted by cheap replacements. I was and paid the price.

Learned this voltage ditty as an apprentice at college 40 years ago... 12.7. Im in heaven. 12.5. Im still alive. 12.1. Much work needs to be done.

From what I have been able to gather, the ignition coil should look like this on the vast majority of H100 UK models. Since you did not mention a model year, I cannot pin it down further, but this un fitted basically from 83 to 88.

Ayup mucker.

Yup, once had one connected up all winter to a CB1300. Green light saying all OK. Came to start the bike. Click whiir whir wh. It went in the bin. I have a pro grade charger now that gets connected to the VFR once a month and then disconnected again once it displays FUL.

Wrong coil.

This is the definition of an expensive bike ornament. Rebuilt to as it left the showroom standard inside and out at very great cost, but the uniquely low mileage means I am not allowed to put more than about 20 miles a year on it or severely devalue it, in the opinion of the classic bike appraiser. So it lives in its living room display case. If a collector came along lusting after it, I would gladly sell it and buy an africa twin. It really belongs in a museum.

Welcome.

Maybe the new exhaust is blocked with rust?

Red wire is permanantly live from battery to ignition switch. Black is switched live, only live when ignition is on. The battery does not feed the CDI module. The generator feeds the CDI directly, not through the ignition switch. Soon as you kick it, the CDI is getting power. The bike cannot start with ignition off, because the black and white wire from the CDI is connected to the green ground wire within the switch when it is off. The CDI capacitor within is therefore grounded and cannot build up a charge to send to the ignition coil despite it getting power from the generator. Disconnect the black and white at the switch and you should have spark regardless of the other wires to the switch. If not, the fault is elsewhere.

Buying a non running bike and flipping it for a handsome profit are the preserve of a TV show involving a silly man in a van driving around the country with his mate looking at old bikes and old petrol cans. Since the advent of ebay and FB marketplace, it cannot happen anymore, unless you have an old lady next door wanting her shed clearing out and you find a tatty 350LC in there.

1. Which engine bearing? 2. Hard to destroy a bearing by fitting a stator. There is where to look first. 3. Dunno, if it seizes or flies apart, it could cause all sorts of mayhem. 4. Very very quickly.

No. Hot oil expands. That is why you always check oil either at running temp or at cold, according to the owners manual.

Have you tried releasing the fuel cap? If the vent is plugged, it will show those symptoms.