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- Subject: Re: R1200GS
- From: Ben Barkow <dr.ben@xxxxxxxxx>
- Date: Wed, 28 Sep 2005 08:08:41 -0400
>> I do have one other question. I went to hook up my twin max and
>> though there is
>> ports for it, one has a hose on it the other doesn't. Do I need to
>> leave the
>> hose connected ( tee in) while I twin max it? I also noticed there
>> is no
>> lowspeed mixture screw. It now seems to be replaced with automated
>> idle mixture
>> devices which must do the same thing. Am I correct?
> You don't have to worry about any hoses. Just connect the two intakes
> for the
> balancer unit to the nipples on the TBs and have at it. The fact that
> motors control the idle balance means that you will only be
> checking/adjusting the synch
> somewhere above idle. I like to do mine at about 4000rpm. Others perfer
When you think about it, pretty weird to do the tuning for idle (and
4000 rpm without a load on the engine is barely cracking the
butterflies open either). Tuning should be for running conditions, not
for great idling; tuning for idling is only a proxy for running. Best
to use dual vacuum gauges (or far second-best, the 9v TwinMax) and go
riding to check/confirm the idle synch settings.
For sure, you don't want any uncorked leaks into the maninfold! If the
fume-inhaler has been excised, install a cross-over balance tube rather
than the caps.
BTW - this list is really lucky to have David Paulus join us. He brings
a cracker-jack knowledge of automotive engineering combined with much
real-world experience. Nobody should casually disagree with him but....
I just finished an Expert Witness report for a little girl plaintiff
who was injured riding a bicycle that was too big for her. With
masterful technique, people like David can manage a tall bike but
that's not the same as saying it is a good idea to have a bike which is
too tall. I always admired the briefly offered R80ST which combined
features of the GS without overdoing the off-road-ready illusion.
Toronto - only 3 months left to this year's riding season in Toronto
End of oilheads-digest V2 #228