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Messages - Erny
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46
« on: April 19, 2022, 12:18:06 PM »
To repair bike after crash, I'm looking for good pipes for my K7 (HM405), as minimum I need upper left and highly likely also lower left one. Alternatively complete set. Let me know please if you have some.
Alternatively, 4into1 or 4into2 pipes for good price can be temporary option too till I find good OEM K7 pipes
47
« on: March 12, 2022, 09:26:13 AM »
I have the longer and IMO the better version.
Sometimes the carb sync screw is quite deep down inside some carbs where that one would struggle to reach or the frame would get in the way.
I'll post a pic of it with dimensions if your interested Erny.
I guess, you have this one, even better!
49
« on: March 11, 2022, 11:01:35 PM »
Sure, I am!
50
« on: March 11, 2022, 09:54:23 PM »
I'm considering to make this tool, as I'm quite bothered using normal 8mm socket and screwdriver for carb sync. Each time I tighten nut it moves screw a bit and sync is not accurate... Found this original Honda tool, want to make something similar https://www.cmsnl.com/products/wrench-carburetor_079083230200/If somebody has it, can you pls measure key dimensions for me? Dimensions I'm looking for see attached picture
52
« on: March 09, 2022, 09:58:47 PM »
Just to confirm - if all is good then when axle is tightened up the collar will sit tight up against the wheel bearing one side and the other against the washer (number 46 in the diagram)?
No, it sits againts chain adjuster, number 65 in the diagram From hub bearing : collar - chain adjuster (that sits on swingarm) - washer #46 and nut
53
« on: March 09, 2022, 09:43:26 PM »
From memory it fits big end touching the bearing with small dia through the seal
correct, I did that too just 3 weeks ago
54
« on: March 09, 2022, 07:43:02 AM »
To close this topic - last ring just went to Roo.
If there is interest for more rings, I can still order them, but to reach that price 6,90eur minimal order is 3pcs. Let me know if interested
55
« on: February 27, 2022, 12:26:49 AM »
I did it too, back in 2019 on my CB550K
56
« on: February 25, 2022, 10:47:55 PM »
In fact, I first did ign replacement back in 2019. This fixed most (not all) of engine hestation in lower RPMs that I felt as if engine has too much advance/too rich mix. However, still rough/uneven behaviour stayed in idle to low RPMs (typically, cruising in the city, you want to open the trottle a bit from closed). This is no totally gone by replacing corroded emul.tubes last year. Now just with bench sync (using steel balls from bearings) engine runs very smooth! before it was impossible to sync carbs properly, even with gauges Once I fix current too lean mix I hope I'm done... But knowing myself I'll be hunting to reach at least 100mph topspeed    corroded tubes topic here: http://www.sohc.co.uk/index.php/topic,25641.msg235103.html#msg235103
57
« on: February 25, 2022, 10:06:34 PM »
If I may contribute with my story: Back in 2019, I was working on low RPM hesitation/too rich problem with my CB550K1 / 022A carbs (engine hesitating in lower RPMs and felt like too rich) Finaly I fixed that: 1. I first replaced points and advancer by Boyer ignition (I kept stock coils). Result - engine hesitation at lower RPMs almost gone! This for me confirms Mark's advice with worn/annealed advancer springs as Boyer has built in advance/retard in ECU. Checked with strobo, it now works as it should. But back to this topic reported too LEAN by RBoss - I think that advancer spring issue is rather too rich "effect". I discussed that with Mark Paris too BTW  2. Too rich problem was caused by corroded emulsification tubes (genuine Keihin) that had bigger ID holes due to corrosion. Replacement by new Keyster (OEM needleds kept) and later by new genuine OEM set (tube+needle) fixed that. Engine now runs smooth on idle and also very smooth from idle RPMs, it picks from ~1500-2000 RPM smoothly. Current issue is that it is too lean now (only tubes and needles changed, jets are the same)
58
« on: February 25, 2022, 10:04:51 PM »
I’m a bit confused by this one and I’m watching and learning. I thought Erny began this thread stating he had a very obvious and extremely lean burn? This may have precipitated his subsequent query about appropriate air boxes/filters. Purely out of interest, would a single tooth cam timing error create this lean mixture situation?
Sounds like poor Erny will have to start a sequential diagnostic programme…..cam timing….ignition timing and advance…valve settings….fuel supply. This will then only leave the carbs and air system?
Just wondering…
Just wondering why I see my nick here  
59
« on: February 25, 2022, 09:08:38 PM »
I plan to re-route breather hose as '76 550K had (see attached pic). But I already bought that 550F filter from ebay... let's see how it will fit. Will report back Thanks for your advices/opinions
60
« on: February 25, 2022, 08:59:10 PM »
All,
I was just to post letters to you today, but lady at post desk asked me for customs declarations (I never did that before), so I turned back home.. Now done, will try to ship tomorrow (2nd try).
Note: 1 last ring left available
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