K12 engine durability - K-Bikes.com - Excellence in Motion
 
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post #1 of 9 (permalink) Old Apr 16th, 2013, 12:25 pm Thread Starter
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K12 engine durability

I know some of you have put a lot of miles on your K12. Weak spots like cam chain, clutch and FD are well known but how does the rest of the engine (especially cylinders and pistons) hold up with high mileage? Any signs of engine wear like loss of power, oil consumption, dark smoke etc. with high mileage?
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post #2 of 9 (permalink) Old Apr 16th, 2013, 12:56 pm
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Quote:
Originally Posted by kivimmi1
Any signs of engine wear like loss of power, oil consumption, dark smoke etc. with high mileage?
Nope.

Ken
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'13 Dark Graphite Metallic K16GTLD, 24K miles and counting...
'09 Magnesium Beige Metallic K13GT, 60K miles miles and counting...
'02 Mauve Metallic K12LTC, 106K miles and sold
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post #3 of 9 (permalink) Old Apr 16th, 2013, 2:47 pm
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As long as one of the aforementioned issues doesn't get you the rest of the engine should easily outlast you or the rest of the bike by far, just like the R-bike motors. That's one thing at least that BMW seems to consistently get right. BMW motorcycle blocks can go to crazy mileages.
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post #4 of 9 (permalink) Old Apr 16th, 2013, 5:50 pm
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I have 68,000 miles on my 2007 KS. All good so far.

07 BMW K1200 S (cosmic blue/titan silver)
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post #5 of 9 (permalink) Old Apr 16th, 2013, 6:06 pm
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Originally Posted by allikanbe1
I have 68,000 miles on my 2007 KS. All good so far.
Barely broken in (engine-wise that is, probably can't say the same about the ball joints )
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post #6 of 9 (permalink) Old Apr 22nd, 2013, 9:50 pm
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When my engine was torn down @ 88,000 to repair the head and valves due to cam chain jump the crank needed to be ground and main bearings replaced because of low oil pressure. However the cylinders were smooth and the rings were still good and did not get replaced.

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820,000+ miles on 2 wheels in 39 years

Past experience: 2012 Victory Vision, 2011 Triumph Sprint GT, 2007 K1200GT 88,000 miles and rebuilt, 51 Vincent Special, 08 B-King, 07 Redneck Undresser, 06 K1200 S (final drive failure), 04 ST1300, 04 Hyabusa, 04 Aprilia Futura, 00 Softail, 98 Buell S3T, 98 Electra Glide, 97 Electra Glide, 94 Low Rider, 92 Fatboy, 91 FXRP, 90 Buell RS 1200, 83 Electra Glide, 83 XL Roadster, 74 XLCH, 74 Triumph TR5T plus 6 custom built Hard Tail Choppers!
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post #7 of 9 (permalink) Old May 9th, 2013, 11:44 am
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I have a 2007 and had the cam chain issue at a little past 65k. I now have 108k and its going strong. I ride almost everyday (commute from SF to Stanford). I do the regularly scheduled maintenance and am having no issues.

Ken
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post #8 of 9 (permalink) Old May 24th, 2013, 9:04 am
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I just put in a new clutch and cam chain / sprockets at 60k miles. I hope I am set for another 60k miles!
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post #9 of 9 (permalink) Old Jun 3rd, 2013, 3:20 pm
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This is great news. I love to see the noobies on the forum with higher mileages and good reports! It's pretty much what I was suspecting.
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