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Discussion in 'GS Boxers' started by Bill-66, Sep 12, 2017.
Reminds me of this...
This may be smoother...Dropping that thing into first..makes me cring..
Keep the faith, it get's better every generation. I'm convinced that by 2084 they will have it figured out. Until then, I think the best solution is to not ride any other bike of any kind. Eventually you'll forget what a good transmission feels like and think it's fantastic.
My '08 is worlds ahead of this..
As weird as this sounds, I switched oils recently, and when I did, the slight lurch into 1st has dissipated somewhat into a lesser lurch. Of the other oils I've tried, this is the only time I've noticed it.
Maybe the plates are just wearing away haha.
When I put mine in gear, first time in the morning..it's butter...everytime after that...it grinds, lurches, clunks.. as if there's 50 % clutch disengagement...
So you're saying it gets tighter as it warms up?
The trans is spinning considerably..
Now that you mention it my 2013 shifts into 1st just fine first thing and then clunks hard after that as well, I attribute that to cold oil being more viscous.
After switching to a good group V ester motor oil it smoothed out gear changes and reduce the clunk a bit.
Running full syn...top tier in 10-40 flavor..may try 20-50 as an experiment....
That any wet clutch clunks is a result of the shear stress/drag force with relation to the kinematic viscosity. For whatever reason you're using 10w40, which is out of spec with the motor, going to 20w50 may not necessarily improve matters. Move to a well-reviewed Group-V ester and you may notice actual benefit.
Ravenol 4-TAKT would be my first suggestion, 5w40.
Where, besides ebay, are you seeing this for sale?
What is a commonly available group v ester based oil to spec. Hard to find any here.
maybe jetspeed could recommend some well rated group V ester oils? My drop to first clunk varies, sometimes less noticeable, others the usual clunk such as next to a harley.
And usually first thing off is silent and smooth. But then I've reported that my yamaha FZ-07 also did that going into first.
Currently using Motul 7100 5-40. Heard that LiquiMoly was pretty good? and wouldn't even know where to source Ravenol for goodness sake up here in Canada.
And mine is still a bit notchy whenever it pleases.
The top tier Amsoil I'm using and Ravenol 5-40's numbers are so close as to be insignificant..Visc at 100c 14.6 vs 14.1, Visc at 40c 91.2 vs 84.4, Visc index 165 vs 168, NOACK 7.2 vs 9.8 and TBN of 11.6 vs 8.5..(Amsoil # first in each..)
It isn't an oil quality or viscosity problem..at least not according to these numbers..
And the bike shifts great when oil is cold..indicating a heavier oil would work better..ALTHOUGH..I agree in that the problem is drag with clutch disengaged..
meh..just an observation and something to play with..
This is one thing I really don't like about my LC....so much so that I've gotten into the habit of starting it in 1st gear throughout the day / my ride and trying to limit 1st gear engagement from neutral as much as possible. Throughout the other gears its quite smooth, especially with a quick shift and minimal clutch lever input.
The other thing about 1st gear on this bike that annoys me is the fact it is so tall. The GS and ADV especially imo, should have a much lower 1st gear ratio for the trail but that's for another bitch session entirely!
Yep. Same here. The tranny on my LC is ridiculously clunky. Tranny on my camhead is quite a bit smoother also.
I seriously doubt that BMW will get there before the tranny-less E-bikes will take over the world
My experience was the opposite: 2011 Camhead GSA was reminiscent of an early agrarian tractor but 2017 is much smoother.
Gotta love the luck of the draw parts bin lottery !
Both fun - not bitching.
My 16 gsa transmission is out and the shop has had the bike for 6 weeks. This has been a horrible BMW experience. I told BMWNA yesterday that I am getting an attorney. What a mess.