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1  General Category / Tech Corner / Re: Wiring issue for heated grips on: January 22, 2020, 11:24:50 AM
All battery circuits are the same voltage, 12V. It is always best to run a separate wire (of the correct guage) directly from the battery for accessories like heated grips, and that wire should have it's own fuse located close to the battery. Connecting heated grips to a lighting circuit risks overloading the lighting fuse. Also voltage to the grips will be less due to voltage drop caused by the lighting load.

-Bill
2  General Category / General Motorcycle Discussion / Re: What other fork tubes/legs ? Would fit my CB1 on: September 25, 2019, 08:48:50 PM
Lots of possibilities, new seals damaged during installation? Seals installed upside down? Fork tubes worn or scored? (they should look perfectly smooth with no scratch or wear marks).

-Bill
3  General Category / General Motorcycle Discussion / Re: CB-1 crash bars on: September 25, 2019, 10:30:04 AM
The only downside is they may be a bit in the way for riders with big feet. Downshifting I even contact the left side bar with my little 8-1/2's occasionally.

-Bill
4  General Category / General Motorcycle Discussion / Re: Suggestions for a new CB-1 owner on: September 01, 2019, 12:20:32 PM
I have to agree with a_morti re: Jokey Smurf, why the snarky attitude all the time? The guy just bought a CB-1, the bike we are here to celebrate, not tear down.

And welcome .regal. As a_morti said, you're going to have to fix that oil leak, otherwise it might dump oil on your rear tire after a hard run. But first have you confirmed the leak is really coming from the C/S seal? Clean the area thoroughly with solvent, then run the bike a short time and inspect. If you are very lucky the oil might be from the shift spindle seal or oil pressure sender, both of which are simple fixes. Good luck!

-Bill
5  General Category / Tech Corner / Re: Not Running - HELP Please. Suspect fuel issue? on: August 16, 2019, 12:59:23 PM
I think you're right that it sounds like a fuel problem, so I would check that fuel level is high enough that the petcock does not need to be on Reserve or that the nylon filter screen inside the tank is not clogged. Do those by pulling the fuel line off the petcock, adding a spare piece of fuel line into a container then opening the petcock to ON and Reserve watching for good flow. If flow is very slow, open the tank cap to eliminate the possibility of a clogged air vent.

There are also individual small filter screens attached to the float valve seats, so if the above tests check out try opening the float bowl drain screws 1 turn one at a time (with a catch can under each drain spigot) and watch for continuous flow. NOTE: The fuel pump is not needed if the tank level is 1/2 or higher, so this test can be done with the key off/full tank. If your fuel pump were to be bad and tank level was very low you would get fuel starvation. Of course you can test the pump by putting a spare hose and catch can on the pump outlet and cranking the engine.

The strange symptom is the fuel leakage out of the carb vents. I can't think why that would happen. Let us know what you fine, and good luck.

-Bill
6  General Category / General Motorcycle Discussion / Re: CB-1 crash bars on: August 12, 2019, 08:18:27 PM
Those actually look pretty good and will protect those impossible-to-find cases if you do fall over.  As a big plus, you could fit some small folding highway pegs that would allow you to stretch your legs a bit on a long ride.

Eric

Thanks Eric, yeah that's what I'm thinking. I've already done one Laurel and Hardy tip-over at a friend's house, where my 70 yr. old legs could not save it. Of course I was showing off and gassed it up. Spun out and fell at low speed but luckily it was on dirt/grass.

-Bill
7  General Category / General Motorcycle Discussion / CB-1 crash bars on: August 12, 2019, 05:48:03 PM
In case anyone is looking for a set of crash bars, I've just installed a set from recraftmoto.com in Ukraine (link https://recraftmoto.com/motorcycle-protection/engine-guard/crash-bars-for-honda-cb-1-cb-400-f-1989-1991/). Fit and quality are excellent, and shipping took just a couple of weeks. I had previously bought a set for my NX250 and the quality was equally good. I know they look kind of stupid, but the way those engine cases stick out I'll suffer the dork look to get the case protection!







-Bill
8  General Category / Tech Corner / Re: Changing the handlebars. What do i need to buy? on: August 11, 2019, 09:29:07 AM
Nice jog KiwiKK, my bike had Hawk bars installed when I bought it. They are about 1" taller and about 1" further back than stock. The setup feels good to my 70 year old back, but I might swap back to stock some day just to feel the difference.





-Bill
9  Classifieds / For Sale / Re: Value of a rough, but ridable CB-1? on: July 24, 2019, 09:09:57 PM
Don't see any photos in your post. I'm in California and bought a very nice clean CB-1 w/12,000 miles last year for $3,900. Probably high compared to other states but it was in very nice condition mechanically and cosmetically.

-Bill
10  General Category / Tech Corner / Re: Leaking cabs on: July 16, 2019, 11:19:33 AM
I suspect the reason the CB-1 seats are easily removable is to allow cleaning/replacement of the attached filters. The non-removable seats I've seen do not have filters.

-Bill
11  General Category / Tech Corner / Re: Leaking cabs on: July 16, 2019, 11:09:38 AM
Hi Rick,

The CB-1 carbs use a hex head threaded brass seat, so needles and seats are included in the NRP sets, photo below. I've never seen replacements for bikes with pressed-in seats. As you imply, they simply don't wear since the needle tips are soft.



-Bill
12  General Category / Tech Corner / Re: Leaking cabs on: July 02, 2019, 12:44:15 PM
You might want to check that a couple of float bowls are not switched. When I got my bike there was slight leaking from one float bowl gasket. I replaced all four but the leak persisted. Looking again I saw that there is a small boss at the right or left (depending upon which carb) front corner of each float bowl that acts as a stop for the limiter flag on the idle mixture screws. The previous owner had swapped two float bowls and on one the boss hit the carb body, preventing the bowl from completely seating on the float bowl seal. It only held the float bowl away from the carb a slight amount, but it was enough to cause a seepage of gas even with new seals.

-Bill
13  General Category / Photo Gallery / Re: Playing with iPhone time lapse photo app on: May 25, 2019, 10:47:31 AM
Pretty cool Bill.  Good to see you out and about on the CB1.  Been a long wet winter and spring for us Californians, but we needed it.

Thanks. Yes it has been a long wet season, but I've managed to exercise my little stable on the dry days!









-Bill
14  General Category / Photo Gallery / Playing with iPhone time lapse photo app on: May 24, 2019, 02:26:14 PM


-Bill
15  General Category / Photo Gallery / Re: OEM tool kit on: May 02, 2019, 11:52:31 AM
Hi Richard, I agree that having the original tool kit is a plus. It says something about the previous owner(s) intent to keep the bike complete. My bike came with a partial OEM kit which I filled in with replacements from Partzilla. The kit tools are mediocre but will do in a pinch!

-Bill
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