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Anyone re-jig and weld a big bore ....
Posted: Mon Oct 10, 2011 9:53 pm
by storkfoot
.....exhaust, preferably in the North?
Just to explain. I want the tailpipe on a big bore / Clubman type exhaust to be re-routed to attach, with a spacer, to one of the top chaincase studs. Also, a plate on the bottom to protect from boulders and rocks :freak:
Re: Anyone re-jig and weld a big bore ....
Posted: Mon Oct 10, 2011 9:59 pm
by WINTERMODEL150
Hi ,are you the guy that knows lots about the oko carbs?
That exhaust sounds a bit extreme what you planning on doing with it?
Dean
Re: Anyone re-jig and weld a big bore ....
Posted: Mon Oct 10, 2011 10:20 pm
by storkfoot
I did spend a couple of years messing around with various copy Keihin's, yes. That was in one of my darker periods, before I saw the light :anbrgin;
Planning on doing a time trial next year. Involves several off road sections that look a bit challenging. These exhaust mods are not for performance gains, just to try and keep the exhaust in one piece over a full day :bigsm:
Re: Anyone re-jig and weld a big bore ....
Posted: Mon Oct 10, 2011 11:30 pm
by byron
storkfoot wrote:...Planning on doing a time trial next year. Involves several off road sections that look a bit challenging.
keep us informed how the build goes Paul, just last night Peach and I were talking about doing something like this, one day...
Re: Anyone re-jig and weld a big bore ....
Posted: Mon Oct 10, 2011 11:43 pm
by RICSPEED
i may be able to help ..im in york ..is that north enough ??
Re: Anyone re-jig and weld a big bore ....
Posted: Tue Oct 11, 2011 7:58 am
by coaster
You could probably do with taking an angled slice off the bottom to give more ground clearance while you're at it Paul and don't forget the down pipe
Where is this event, can we come and watch

Re: Anyone re-jig and weld a big bore ....
Posted: Tue Oct 11, 2011 5:18 pm
by WINTERMODEL150
I take it (storkfoot)that you don't like the oko any reasons why ?,I ask as I was thinking of fitting one instead of my delly but have been looking at a genuine kiehin as well.
This event sounds interesting what's it all about?
Dean
Re: Anyone re-jig and weld a big bore ....
Posted: Tue Oct 11, 2011 6:11 pm
by storkfoot
Copy Keihins __ I eventually got a bgm PWK28 to work pretty well on a Mugello 186 but it took absolutely ages to get it right and I spent a fortune on various needles and jets. They are also very temperamental as regards to float levels. I wouldn't use one again although I may be doing the carb a dis-service as the Mugello may have had issues of it's own.
Anyway, since then, I've set a TM24 up and a PHBH30 and both have been so easy to set up.
Oh, the time trial, just Google classic motorcycle time trials. There's a few around.
Ricspeed, thanks for that. I may call on your services but as I gave my last knackered AF Clubman to a mate, I need to get hold of another first
