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Messages - Oddjob

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CB500/550 / Re: Ignition coil performance test
« on: Today at 10:54:45 AM »
Yeah we had the same box at Queenies, tested many a coil on it, IIRC it also charged up condensors so you could see if they were still good. We used to charge them up and throw them to the apprentices shouting "Catch" as soon as they touched the body and the spade end on the wire together it discharged, it was quite a shock I must say. Couldn't get away with that these days.

I hate to point this out but you forgot to put the spring on the No1 cylinder inlet valve  ;D ;D ;D ;D ;D

You can test the valves seal by filling the inlet/outlet tract with petrol and seeing if you can spot it coming past the valve.

I wouldn't be happy about those 2 marks on the L/H footrest hanger.

Got to be honest Ted and say the paint looks a little thick, around the lower engine hanger bolt hole it looks like they didn't mask those off and it's possible the bolt won't go through now.

Out & About / Re: Crich 2021
« on: March 04, 2021, 08:24:24 PM »
If I was Crich I’d have still scheduled it for July and if it fell through then go with October

Maybe when you think about it the biggest difference between the F models and the K3 was the carbs, the PD are reputed to run leaner so maybe it needs less air flowing through than the older type carbs.

The Black Bomber Board / Re: Bomber crank refurb
« on: March 04, 2021, 04:59:21 PM »
He's done a beautiful job on that crank Ash, a real credit to him.

The casing it sits in is the same for both models, all the snorkel gear above it is the same, all the filtration from the engine venting system is the same EXCEPT the part with the nozzle which fits through the bottom of the filter. The F model has a longer tube. That's the only difference I can spot. It may have something to do with complying with emissions in the USA that the K3 had to pass whereas the F1/F2 didn't coming out slightly earlier.

Out & About / Re: Crich 2021
« on: March 03, 2021, 09:17:43 PM »
Bad decision IMO, how many of those people who don't ride their bikes if it even looks like rain will attend in October when it's almost certain they'll be rain around somewhere. Most of the regular showers won't even bother attending IMO.

CB350/400 / Re: Cylinder bore assessment
« on: March 03, 2021, 07:40:42 PM »
$100 us dollars for 4 pistons, 4 sets of rings etc is really good value. They'll be postal and import charges etc but it's still very attractive and Graham seems to rate them so why not.

CB350/400 / Re: Cylinder bore assessment
« on: March 03, 2021, 07:13:28 PM »
Daz that will most likely clear up at 0.25. Cruzinimage are fine but see if you can source some genuine pistons first, they come up on ebay quite often and are much better than anything else and sometimes they come with rings etc.

I'd also advice sending it to Graham, there are lots of reports of local engineers doing rebores on the these old Hondas and getting it all wrong. Why take a chance? if they get it wrong it's a load more expense and bother.

Found these but seems damned expensive to me, no idea how much Cruzin charge for the same amount.

CB500/550 / Re: Engine mount bolt
« on: March 03, 2021, 07:00:40 PM »
Yep you've got it, 19 and 20 are correct.

CB500/550 / Re: Engine mount bolt
« on: March 03, 2021, 05:56:54 AM »
You misunderstand, there are 2 rear bolts, very long ones, 2 lower bolts just under the points cover and the generator cover and 6 front bolts. The front bolts are made up of 2 x 10mm bolts which go through the engine casing and the triangle shaped brackets and 4 x 8mm bolts which also go through the triangle shaped bracket and the frame, the lower of these 2 is the 8 x 55mm bolt you initially asked for. However the picture you've shown clearly shows it's the lower bolts you want which are 10 x 80mm not 8 x 55mm.

CB500/550 / Re: Engine mount bolt
« on: March 02, 2021, 11:22:03 PM »
Just looked at a parts book and that’s a 10x80 bolt, the lower front bolt is the 8x55 one.

CB500/550 / Re: Engine mount bolt
« on: March 02, 2021, 11:06:41 PM »
You sure it 8x55 not 10x55, the front mounts are definitely 8mm but I seem to recall the lower bolts are 10mm

CB500/550 / Re: Engine mount bolt
« on: March 02, 2021, 10:52:54 PM »
Almost certain to have one or two of those lying around. I’ll let you know tomorrow

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