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"K13S/R" Technical Q&A K1200S/R Technical Questions/Answers

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Old 05-22-2013, 07:54 PM
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foothillmailbox foothillmailbox is offline
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Hey guys this is my first K bike (09K13S) and it's fun (I owned a number of R bikes and still have an RT in the garage), but was wondering if it's just my bike or are the transmissions in these things clunky? Especially dropping into first even from neutral at a stop it's pretty far from smooth. Yeah all the BMW's I've owned don't exactily snick into gear like the Japanese bikes I've owned but wow is this a sport touring bike or a sport touring truck?
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Old 05-22-2013, 09:24 PM
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wallmon wallmon is offline
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Re: Tranny

Yep, mine's new and it's pretty clunky. Especially so in 1 or 2 and maybe worse when hot. I've read somewhere in the forum that it's normal but have to agree it feels surprisingly crude. My R1200R was exactly the same. It'll probably last forever.
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Old 05-22-2013, 10:00 PM
elp_jc elp_jc is offline
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Re: Tranny

Yep, a bit crude by German standards, but other than that, mine has been flawless: no false neutrals, no missed shifts, and easy to shift. Lever travel is quite nice too. In other words, just a bit balky, especially when shifting from N to 1st while stopped. But that's normal for wet-clutch trannies. I have to say I take that balkiness over a smoother Japanese tranny that catches false neutrals when you least expect it (all of mine -mostly Hondas- did that). If you switch to fully synthetic oil, it'd shift noticeably better .
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Old 05-22-2013, 11:49 PM
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Beech Beech is offline
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Re: Tranny

When starting the bike put it in first gear before hitting the start button. Stay in first with clutch in at stops. Eliminates that nasty crash. Darn clutch has drag from the oil I guess. The throw out bearing is relatively large and is oil bathed, no issues.
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Old 05-23-2013, 04:24 PM
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JER K13S JER K13S is offline
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Re: Tranny

The following techniques (A thru D) define the sequences required to achieve a smooth and quiet gear shift. Those techniques have worked for me 99% of time and will require practice to achieve the best result.

Caveat - The clutch force required to disengage the Shift Assist seems to vary between different bikes and (as far as I know) cannot be mechanically adjusted.

A.- SHIFTING UP w/o Shift Assist - Seq[(1)(2)(3)] - NO CLUNK ! ! !

B.- SHIFTING NEUTRAL to 1st - Seq[(4)(5)(6)(7)] - NO CLUNK ! ! !

C.- UPSHIFTING w/ Shift Assist - Seq[(8)(9)] - NO CLUNK ! ! !

D.- DOWNSHIFT only w/ clutch

(1) Pull clutch lever in "slightly" . . ., and "only" to the extent necessary to disengage the Shift Assist.

(2) Apply a small amount of pressure to shift lever ("preload") . . ., but not so much as to "force" gear change.

(3) Squeese the clutch lever (slightly more), and just enough to allow gear change.

(4) In neutral, Pull clutch in.

(5) Pause two (2) seconds . . .,

(6) Roll backward (or forward) approx. 12 inches.

(7) Shift from neutral to 1st gear.

(8) Keep hand OFF clutch lever.

(9) While ACCELERATING w/ static or increasing throttle (> 3000 rpm < 10500 rpm) apply pressure to shift lever to facilitate UPSHIFT.


I hope some of this information is helpful. The "preload" shifting was developed on the K1200S through experience and carried over to K13 - I know it may seem convoluted but, it works flawlessly for me almost all of the time.

02 R 1150 RS
02 K 1200 RS
04 K 1200 RS
07 K 1200 S
08 K 1200 S
10 K 1300 S
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Old 05-23-2013, 04:52 PM
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wallmon wallmon is offline
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Re: Tranny

Mine is only clunky when sitting at a light and going from N to 1st. Outside of that, it's Butter.
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