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Topics - Boggieman

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1
CB500/550 / Engine question
« on: October 07, 2015, 01:07:19 PM »
Hi all
I run a 400/4 in the CRMC parades, and whilst it is a lovely machine I would like a little more down the straights.
Can anyone tell me whether a 500/4 engine would slot straight into the frame, or what my best option would be?
Many thanks in advance.
Ian

2
CB350/400 / Gearbox removal
« on: October 15, 2014, 10:10:58 AM »
Hi all,
I need the help of the assembled knowledgeable people on this here forum.
At my last race meeting of the year, the 400 kept jumping out of 4th gear, when under hard acceleration, back into 3rd.
Is this a known issue, and if so does it mean gearbox out to rectify.
Next question would be, is this a difficult job? i.e. does the engine have to come out 1st?
Any help will be greatly appreciated.
Thanks in advance.
Ian

3
CB350/400 / 400/4 Tank
« on: July 11, 2014, 03:26:40 PM »
Hi all
Now that I have fully converted my bike to race trim, I am thinking of getting rid of some of the bits that I won't use again.
Can anyone tell me what petrol tanks go for these days, it's in pretty good condition and is the original one from the bike.
I also have things like front and rear mudguards and the grab handle.
Thanks
Ian

4
CB350/400 / 400/4 Carb Main Jets
« on: May 20, 2014, 10:25:03 AM »
Hi all
Does anyone know where I might be able to get some oversized main jets for my race spec'd 400.
DS can supply 1 size over but I would like 2 or 3 sizes over standard, due to the work I have done, and more planned also.
Many thanks in advance.
Ian

5
CB350/400 / Carb question
« on: May 09, 2013, 03:44:04 PM »
Hi Guys
I am thinking of fitting some pod style air filters to my 400/4 race bike. Does anyone happen to know the outside diameter of the intake mouths to the carb's?
I can always take my airbox off the bike but thought I would ask on here first.
Thanks in advance
Ian

6
CB350/400 / Stiff Throttle
« on: October 01, 2012, 03:43:40 PM »
Hi All,
The throttle on my 400/4 is really stiff. Just wondered if this was a known issue as they get older.
The twistgrip itself is not the issue, it's a new one, and the cable has a non-restricted route. It seems to be the spring on the top of the carb's, can these be lubed, or changed if necc'?
Thanks for any suggestions.
Ian

7
Announcements / Classic Bike Racing at Lydden Hill, Kent
« on: May 31, 2012, 08:57:07 AM »
Hi All.
For those that may be interested, and not tied up with Jubilee things, there is a 2 day meeting of the CRMC at Lydden Hill, Kent this weekend. Saturday racing starts at about 10, after practice sessions, and Sunday start time is 12:30ish.
I'll be there parading my 400/4.
Ian

8
New Member Introductions / New Guy Checking in
« on: July 22, 2011, 09:29:29 AM »
Hi Guys and Girls,
Just registered and thought I'd say a quick hello. I have a '76 400/4, that has been converted into a classic race bike.
Apologies to all the purists out there, but it does actually go quite well on the track. Unfortunately I am the one who needs to lose weight  ;D.
Ian

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