What to watch for on used K12s? - K-Bikes.com - Excellence in Motion
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post #1 of 12 (permalink) Old Oct 24th, 2010, 11:27 pm Thread Starter
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What to watch for on used K12s?

Hi Everyone,

I'm new to the forum and need some K12 owners' advice. I'm going to look at a used '05 K1200s with 15K miles for sale. What problem areas should I watch out for? What questions should I ask the owner?

Also, in general, what are the problem areas with the '05 model?

Thanks for our help,
Corey
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post #2 of 12 (permalink) Old Oct 25th, 2010, 1:20 pm
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Ask if they've had any problems with the bike dropping out of gear under hard acceleration.

If you test ride it, and feel the need to test this:

In 2nd gear, get on it, 8k+ RPMs, you will experience a big shutter and lose of power, then it will pick up right where it left off.
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post #3 of 12 (permalink) Old Oct 27th, 2010, 12:52 pm Thread Starter
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Hi Jimmy,

Thanks for the tip. If the bike exhibits this behavior, how difficult/expensive is it to fix? Should I walk away?

I am hoping that since there isn't a flood of issues to look for that the '05 is fairly reliable?
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post #4 of 12 (permalink) Old Oct 28th, 2010, 6:40 am
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If you search this forum you will see a few mentions of this problem.

This seems to be the latest.
http://www.k-bikes.com/forums/showthread.php?t=22850

I have been riding my bike with this problem all summer, I will be taking it in at the end of the season. Which seems to be coming up too quickly here in Iowa. :-(

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post #5 of 12 (permalink) Old Oct 29th, 2010, 12:50 am Thread Starter
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Wow, sounds pretty bad! Any idea what percentage of bikes are affected? Seems like a fundamental design flaw. Should I look for a later model year k12s?
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post #6 of 12 (permalink) Old Oct 29th, 2010, 2:34 pm
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I would say if it had about 16-20k miles you would know for sure, based on my experience only.

Both of mine went out at almost exactly 18k miles. The first one might have been a bit sooner but I can't remember. 8k RPM hard on the throttle, you'll know it, only needed to happen once the 2nd time and I took it straight into the dealer and left it. No problems since with the new rev trans thats in there (I think), got about 45k on it now (the 2nd trans).

It is expensive for another trans, I'm not sure if they can repair the problem at a much cheaper price, mine were under warranty (a little out on #2 but they did it anyway).

The KS is a great bike but its best to know things you may need to fix and plan some budget for it. I just rode my 06 from socal to newark, lots o fun. look out blue ridge on the way back!
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post #7 of 12 (permalink) Old Oct 29th, 2010, 11:11 pm
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Quote:
Originally Posted by throttleJunky
Hi Everyone,

I'm new to the forum and need some K12 owners' advice. I'm going to look at a used '05 K1200s with 15K miles for sale. What problem areas should I watch out for? What questions should I ask the owner?

Also, in general, what are the problem areas with the '05 model?

Thanks for our help,
Corey
Unless you're looking for inexpensive deal or particular color/style, you'd be better off taking your time to get a used '09 K13S someone wants to sell. Many, many upgrades which fixed the inherent design issues on the K12's. If you get an '09, the recalls should already have been done. Engine and tranny are not same as K12's. I've got over 23,000mi on mine and not a single issue. I was looking at couple mint K12's and decided to get the K13S after having ridden both the 12 & 13.
post #8 of 12 (permalink) Old Oct 29th, 2010, 11:31 pm Thread Starter
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Quote:
Originally Posted by Sheep
Unless you're looking for inexpensive deal or particular color/style, you'd be better off taking your time to get a used '09 K13S someone wants to sell. Many, many upgrades which fixed the inherent design issues on the K12's. If you get an '09, the recalls should already have been done. Engine and tranny are not same as K12's. I've got over 23,000mi on mine and not a single issue. I was looking at couple mint K12's and decided to get the K13S after having ridden both the 12 & 13.
Hi,

I'm on a budget so the older models are more in line with what I can afford. I'm trying to figure out what my allowances for repairs and problems should be. If it's a lot with the older models then I might as well plow that in up front and get a more current model up to a point.

23K miles? Impressive, you must do a lot of touring.
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post #9 of 12 (permalink) Old Oct 30th, 2010, 6:31 pm
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Hi, I am new to the forum but have a 2005 K1200S with 45K. The only problem with the bike since new was a broken plastic fuel line,connecter which I replaced with metal. I bought new brake pads but have yet to install as the origionals are only half worn.
The bike had all recalls performed in its first year and other then one update for fueling, that's it. Had to have both rims straightened from pot holes, very soft. Valves checked at 30K and all in spec. Oil changed every 3500 miles and uses none.
Warren
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post #10 of 12 (permalink) Old Oct 31st, 2010, 6:55 pm Thread Starter
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Quote:
Originally Posted by WarrenCooper
Hi, I am new to the forum but have a 2005 K1200S with 45K. The only problem with the bike since new was a broken plastic fuel line,connecter which I replaced with metal. I bought new brake pads but have yet to install as the origionals are only half worn.
The bike had all recalls performed in its first year and other then one update for fueling, that's it. Had to have both rims straightened from pot holes, very soft. Valves checked at 30K and all in spec. Oil changed every 3500 miles and uses none.
Warren
Hi Warren,

I'm glad to hear about your positive experience with your '05 k12s. Like with anything, there's always two sides to a story but I think it's natural for the negative experiences to get more publicity.

What pressure do you keep your tires at? I heard that the recommended pressures were increased in years subsequent to '05 and that there was some speculation as to the reason. Perhaps it was to address the rim warping?
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