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Topics - Phteix

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CB500/550 / CB550K 1978 - Not Charging/Continuity between stator and case

« on: June 21, 2021, 05:03:38 PM »

Hi

I'm having charging problems with my CB550k, I have done all the steps from this link (http://forums.sohc4.net/index.php?topic=134836.0) to figure out the problem.
So I'm getting continuity between the stator yellow wires and the stator case, it means my stator needs to be replaced? None of the visible wires are touching the case.

Tnks.

CB500/550 / Cb550K 1978 Needle adjustment

« on: April 04, 2021, 11:58:13 PM »

Happy Easter everyone.

I'm trying to do some tunning on my carb, but I can't get the needle out. Do you have any idea how to reach the needle on this carb (see image)? I know that the arm-looking thing needs to come up removing the first bolt, and then? I tried to slide the part that connects together but did not work (red in the picture)...

Any tips would be very appreciated.
Cheers.

CB500/550 / Where to buy a stator? 1978 550K

« on: February 21, 2021, 09:58:41 PM »

Any one knows where I can find an alternator stator, fild coil in the UK? Can I fit from other bikes, for example CB Nighthawk?

Tnks

CB500/550 / Stalling after flooding the engine with Petrol - 550K 1978

« on: November 26, 2020, 09:13:03 PM »

So last day after changing my handle bar I managed flooding the engine with Petrol

very amateur, I know.

But after that the bike would start and after starting would run very "heavy" as expected, I noticed the smell of petrol in the oil, so decided to replace the oil for a new oil, Valvoline 15w-40 and new spark plugs.The bike is starting okay, but after running a few miles, it starts losing power and stalling.

I don't think it is the carburetor, I have managed to keep it clean and synchronised. The bike was running perfect before.

Any idea what's going on?
Is this a good oil to use on my 1978?

Thank you in advance

CB500/550 / I found this in my oil pan - CB550K 1978

« on: November 25, 2020, 06:18:43 PM »

I just found thia ring in the bottom of my oil pan, any idea where it's coming from? How end up im there?

CB500/550 / 550K 1978 Seat Hinges

« on: November 11, 2020, 12:16:58 AM »

I'm wondering if anyone here have a 550K seat hinges to seel or know any other way to fit the original seat back. I cannot find it online.

Thank in advance.

CB500/550 / Honda CB550K 1978 Cylinder Head Cover Leaking LOADS of Oil

« on: November 09, 2020, 02:24:20 PM »

Hi there,

My name is Pedro, I'm 28 and this is my first post.
Thank you for all your help so far. Sorry but English is not my first language so I will try to make things as clear as possible.

I just got a Honda CB550K 1978 (My dream bike), the engine, and pistons, and everything else was just rebuilt by the guy I bought it from. That's the list of what he changed on the bike...

"Engine Rebuilt including vapor blasting.
New engine gaskets set including upper and lower head gaskets.
New piston rings.
New roller bearings.
New primary chain and timing chain.
New timing chain guide... etc"

For the first time last week, I decided to open the carb and give it a good clean, but I noticed that the first carb was dry and not passing petro at all, the float was upsidedown blocking it. I had it fixed and put it back on the bike. But as soon as I was out testing the bike I noticed loads of oil leaking in one of the headcovers cap.

So last night I decided to open the Headcover cylinder to have a look... Is this normal (I HAVE THE COVER AND THE BOLT, I JUST REMOVED IT FOR THE VIDEO, THE OILD IS LEAKING THROUGH THE BOLT WHEN EVERYTHING IS IN PLACE))

In this video, you can have an idea...(
https://youtu.be/aE6ZTKxjHEU

Could be something in the pistons? A ring or something? It's only on the left side of the Cylinder Headcover.
Also, feels like the bike is overheating.

Any idea what it could be?
Thank you in advance.
Pedro