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1  General Category / Photo Gallery / Re: CB-1 Mk2 Project on: February 13, 2018, 02:34:49 PM
Chinese brakes... why??

'Bit sloppy' - and he's replaced it with another cheap junk part!

No. Just no.

2  General Category / Photo Gallery / Re: CB-1 Mk2 Project on: February 12, 2018, 04:08:03 PM
We all love a project, keep it coming!

I'm also interested in what differences there are between a type one and a type two. You're one of very few people with access to both at the same time and a good eye, so it'll be interesting to see what you find. I know about higher bars, different tank and corresponding single snorkel airbox, the stock type 2 silencer is a little longer, various bits with different/darker finishes. Is the seat the same? Did they modify the footrests to match higher bars (they do this on the SV650/S for example)? Shock is different, is it the same dimensions just with a gas canister, or longer?

I have convertibars on my bike now, they could get to pretty much the height of your bars, with longer cables. Be interested in how the bike feels once complete.

I suspect that exhaust was fairly bling once upon a time, the spring hooks certainly suggest that even if the missing springs don't. Looks JDM, probably fitted to the bike back in Japan. Is the silencer aluminium? I suspect it's better than Dad Morti's bike has on it, he might be interested.

The engine has lighter paint than would expect on a type 2, I suspect it was already changed once in its life. edit: could just be the light

I bought a set of gaskets off Graeme France. He has had a batch of replicas made. Price wasn't quite 10 but cheaper than Honda and you know if it's GF, it'll be fine.

You can use the nc23 ignition cover, assuming it's same as CBR600f1, just fit the single ignition pickup from the CB-1 with some suitable screws.
3  Classifieds / For Sale / Re: Stock S/S Exhaust (UK) on: January 31, 2018, 04:39:10 PM
Top post is 2007. Nothing to see here...
4  General Category / Photo Gallery / Re: First peek inside the valve cover on: January 23, 2018, 02:02:10 AM
Your bike is in amazing condition.

Your little pal is a looker. Do we need a pets thread?
5  General Category / Photo Gallery / Re: Just received my CB-1, I'm in love on: January 22, 2018, 05:04:21 AM
How do you like the higher gearing? Nice having a little more space between the gears and a bit of an overdrive, isn't is?

Yes, I really like it geared higher. For my riding style and light weight I could even go a bit higher yet. Fourth-fifth-sixth are still quite close together, and sixth is still usable for anything over 25-30 mph. And that's even with an oversized rear tire. My speedo read 1 mph high with stock gearing, and now reads ~8% low. Just wish there was an easy way to adapt a tiny gearbox to the cable to correct it. Hmmm, there's a project there.

Is that still the stock muffler? I replaced mine with a Kerker slip-on soon after I brought her home in 1990. I run it with no packing now and as long as you don't rev it too high around town it is still low tone and tolerable. On the back roads winding her up into the meat of the powerband and hearing that exotic Ferrari sounding shriek overpower the wind noise is soooo sweet. Jekyll and Hyde.  Grin

Yep, stock muffler. I can imagine how wonderful that Kerker sounds when wound out! But I much prefer quiet exhausts both for my own comfort and to avoid annoying the public. Living on a scenic back road popular with motorcyclists, I know how pissed off I get when my peaceful surroundings are invaded by screaming sport bikes, and moreso obnoxious roaring Harleys! To each his own.


So what's the actual effect of changing the sprocket? Do you have better acceleration or a higher top speed?
Been thinking about tinkering with the sprocket size as well but Im not too sure what to go for and what to expect.
My opinion is 15/41 isn't far off from ideal, unless you're doing mostly highway miles. Drop to 15/37 to reduce revs but you will get a noticeable reduction in acceleration off the line.

Mine has 15/39 with a 160 tyre on cbr4 wheel. Works fine and Speedo is within a percentage point or two of exact. Might prefer a bigger sprocket but they don't exist off the shelf for nc29 wheel.
6  General Category / Tech Corner / Re: fork brace on: January 12, 2018, 02:43:19 PM
Jewelry for your bike, not more, in my opinion.

Back in the days of the rd350lc with 32mm forks, I'm sure they had some value but even on a Cb, I doubt it. If you're looking to improve the front suspension, get aftermarket springs and refill with the spring maker's recommended oil. World of difference.

Still, it will look pretty.
7  General Category / Tech Corner / Re: Blackbird shock install on: January 06, 2018, 06:40:27 AM
Dash, do you remember how you set the damping screw? Need to back mine out, it's over damped (when did anyone say that about oem CB shock  Grin ) so curious where you went.
8  General Category / Tech Corner / Re: Another shock question on: January 06, 2018, 06:39:21 AM
Fine if you can weld, but the Cbr stand fitment is spot on, and they can be bought very cheap. Because it's a hollow tube, you could also cut, slug, and weld (or maybe thread internally and make it extendable, idk the size) even easier Smiley
9  General Category / Tech Corner / Re: Blackbird shock install on: January 05, 2018, 02:37:13 PM
Good stuff, thanks for the pics!
10  Classifieds / Wanted / Re: Wanted: OEM CB-1 shock in good condition on: January 05, 2018, 01:58:24 AM
I set my bb shock with 17 threads of preload above the adjuster. Seems about right. The damping adjuster was 1.5 to 2 turns out from fully in. I forget, but something like that.
11  General Category / Tech Corner / Re: Gas cap help on: January 04, 2018, 10:31:28 AM
If you have a local breaker it would be a good way to find that. Maybe they would have a cap with no key or one which has been screwdriver'ed.
12  General Category / Tech Corner / Re: Gas cap help on: January 04, 2018, 04:06:04 AM
Good work, useful pics!

It was a lot of years ago I had a cap apart after my bike was stolen and recovered. Can't really remember how that went, but I got the cap off some other honda and had to swap some stuff between one and the other. Must have been ten years ago now, amazing how the web holds stuff for posterity.
13  General Category / Tech Corner / Re: Non starter on: January 03, 2018, 05:09:06 AM
I've had a dead spider in there cause a similar issue before!
14  General Category / Tech Corner / Re: Non starter on: January 02, 2018, 04:35:14 PM
Quick test, put it on centre stand, side stand up, in neutral, kill switch to on (you wouldn't be the first!), clutch lever pulled. If it starts you're a little further on, and can start elimination from there.

Doubt it's the kill switch though as the bike should spin the starter anyway but without ignition, I think?

You'll need to go through the components one by one checking for continuity. Clutch switch, kill switch, sidestand switch, neutral switch could all be the problem. There is a crimp join somewhere in the loom on that circuit (sorry log time ago) that could also have corroded and come apart so if it's none of the components you'll be into stripping the loom tape off.

Could also be a stuck solenoid. Or the starter button itself! Guess easiest thing to start with is blast switchgear with contact cleaner (or wd40 will do)
15  General Category / Tech Corner / Re: CNC front levers? on: January 02, 2018, 04:30:08 PM
Many others will fit as honda used basically the same levers on all bikes through the 90s. Search cbr600f2/3 or cbr900 92-99. Should be easy to find.

Dodge fold up levers, they invariably develop play in planes that aren't acceptable. Extending levers generally extend from long to too long so they tap the bar end. Other than that, most are fine.
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