K12lt Towing Capacity - BMW Luxury Touring Community
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post #1 of 15 Old Nov 20th, 2012, 2:32 pm Thread Starter
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K12lt Towing Capacity

What do to think the max trailer weight is that a k1200lt can safely pull

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post #2 of 15 Old Nov 20th, 2012, 5:24 pm
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Re: K12lt Towing Capacity

One bMW mechanic told me that the reason final drives fail is because of carrying a passenger and pulling a trailer. In that case, why is there a back seat. I only pull a uni- go trailer, so don't have a n answer. I don't go that mechanic.

Jim G - Rochester, MN
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post #3 of 15 Old Nov 20th, 2012, 6:52 pm
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Re: K12lt Towing Capacity

Personally I won't pull more than 350 lbs gross weight behind my LT. Any more than that can get a little hary in a panic stop.

It is not rated by the manufacturer to pull anything.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
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Have ridden a Motorcycle in all 48
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post #4 of 15 Old Nov 20th, 2012, 7:39 pm
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Re: K12lt Towing Capacity

2001 K1200LTC
Got my Bushtec Quantum soon after my warranty ran out at 36K miles.
I'm now past 118K miles.
Heaviest load was 14 cases of Arizona Green Tea (12 oz cans).
Fredeicksburg, VA to Fort Bragg, NC.
Little longer run up to speed, but maintained max speed on the interstate.
No issues pulling the load.
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post #5 of 15 Old Nov 21st, 2012, 7:47 am
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Re: K12lt Towing Capacity

It's probably not recommended but I pulled a fully loaded Kwik Kamp pop up trailer with my wife as a passenger from Florida to Oregon and back with my '99 LT. Also made many other shorter camping trips with that rig. I put 97,000 miles on that '99 and never had a clutch, final drive, or any other mechanical problem with that bike.

Lynn Keen
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post #6 of 15 Old Nov 21st, 2012, 8:16 am
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Re: K12lt Towing Capacity

Quote:
Originally Posted by grassman09
What do to think the max trailer weight is that a k1200lt can safely pull
The key word here is safely,
what do you think is an acceptable risk.
personally I don't want to pull more than 300-350 lbs total weight, that's trailer and cargo.

The LT is capable of "pulling" a lot more but what about stopping, turning etc?

Running down the interstate is no problem with a heavy load
but going downhill heading into a sharp curve in the rain
with the trailer pushing you will scare the 'stuffing" out of you.

Spend a little time at this website.


Hans
St. Petersburg FL

2002 K1200LTE
"Silver Buffalo" Totaled 5/06
2005 LT
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post #7 of 15 Old Nov 21st, 2012, 10:15 am
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Re: K12lt Towing Capacity

Quote:
Originally Posted by Lynn_Keen
It's probably not recommended but I pulled a fully loaded Kwik Kamp pop up trailer with my wife as a passenger from Florida to Oregon and back with my '99 LT. Also made many other shorter camping trips with that rig. I put 97,000 miles on that '99 and never had a clutch, final drive, or any other mechanical problem with that bike.
That's a great testimony. Hopefully, I'll see those kind of results out of my '99 pulling my ZZ trailer.
Now rear tires and trailers- that's a whole other statistic we won't talk about.

Jeff
Big D is my neck of the woods

99 K1200LT (don't need loud pipes w/ 8 spk. stereo)
08 HD wide glide
prior:
07 HD XL1200C (sold!
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post #8 of 15 Old Nov 21st, 2012, 11:20 am
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Re: K12lt Towing Capacity

I had an 2002 K1200LT Trike. I pulled a very heavily loaded trailer. I like to bring all the goodies. And when I went to Mexico, I carried 5 gallons of gas in the trailer. I pulled the trailer for about 20,000 miles before the transmission went out. My mechanic said the transmission failure was do to pulling the trainer. The transmission could not take the constant jolts of the trailer when changing speed, going over railroad tracks, rough roads, etc.... He also believes that the transmission id not heavy dutty enough to pul a trailer. He recommended that I carry the necessary items in/on the Trike but not in a trailer. He believed it wasn't a weight issue, but a jolt issue. He fixed the transmission and all was well. I then got together with my brother in law to build a rack for the trike. He is a master welder. We designed and he built a rack that went on the rear of the trike. It carries about 60% of the goodies I want to carry on a long trip.

My recommendation: Don't pull a trailer.

Just my two cents.

Richard
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post #9 of 15 Old Nov 21st, 2012, 5:56 pm
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Re: K12lt Towing Capacity

Pulling a trailer is only part of the weight issue.
As a rule of thumb a max of 3:1 works.
Wheel brakes will influence this.
Fully loaded the 2005 LT is rated for 600 KG TOTAL
That means rolling with everything taken into account.
Gives a trailer weight of 200kg. HOWEVER
Less is better and it depends very much on the trailer design.
That total weight includes the weight ON the hitch, which is 10-15 % of trailer.
We pull a Quantum Sport and take care to load it correctly, using a scale to check
the tongue weight before hooking up. Its GVW is 350 lbs (160kg) and I find this is
a comfortable weight behind the LT. In fact it can have a very positive effect during
slippery conditions, (but only uphills)
You do need to make some adjustments to your riding style, mainly for accelerating and braking. Common sense really.
Will this effect our F/D ?
Not so far.
Wouldn't be able to travel as we do without the Quantum.

Jenna: Ocean Blue '06
Hilton: Head of the Steering Committee.
Rena: The Committee.
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post #10 of 15 Old Nov 22nd, 2012, 6:26 pm
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Re: K12lt Towing Capacity

Quote:
Originally Posted by Richco
My recommendation: Don't pull a trailer.
Richard
Ahhh come on Richard........
You are certainly entitled to your opinion,
but you are greatly outnumbered by many here who have been pulling trailers
for hundreds of thousands of trouble free miles,

my recommendation: don't overload your trailer,

I don't know anything about trikes
so I'll keep my "recommendation" on that subject to myself ....


Hans
St. Petersburg FL

2002 K1200LTE
"Silver Buffalo" Totaled 5/06
2005 LT
"Esperanza"
BushtecGenesisTrailer
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post #11 of 15 Old May 10th, 2014, 9:15 pm
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Cool Re: K12lt Towing Capacity

I have pulled a Uni-Go trailer on my 05 LT and again with my 09 LT and have never had any issues with it in any weather. I would say the most weight I have pulled is around 300 pounds. I use the bike for work and travel the Western half of the US, Canada and Mexico. Use common sense while pulling a trailer and always making sure your brake pads are in good shape and enjoy the ride.
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post #12 of 15 Old May 11th, 2014, 3:23 am
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Re: K12lt Towing Capacity

Only pulled mine once and that was when I picked her up from dealer. Drove 400K this was a first for me with the bike plus a trailer. The LT never new it was their. I didn't feel it either. The only problem I found and have to fix is the coupling hardy spicer joint is as stiff as old nick. Tried smacking with a hammer on the yokes but she remains tight. May need a new joint, grease tough to get through also. Otherwise looking forward to camping using the Unigo

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post #13 of 15 Old Jun 5th, 2014, 3:04 pm
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Re: K12lt Towing Capacity

Quote:
Originally Posted by Chayside View Post
Only pulled mine once and that was when I picked her up from dealer. Drove 400K this was a first for me with the bike plus a trailer. The LT never new it was their. I didn't feel it either. The only problem I found and have to fix is the coupling hardy spicer joint is as stiff as old nick. Tried smacking with a hammer on the yokes but she remains tight. May need a new joint, grease tough to get through also. Otherwise looking forward to camping using the Unigo
I have pulled trailers with a MC since the early 70's. Pull a Freedom (POP UP)trailer.

Loaded it weight is about 450 pounds. Never a problem. First trip was a total of 8000+ miles.

Enjoy the road. RIDE SAFE.

See you in ST. Paul
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post #14 of 15 Old Jun 5th, 2014, 6:50 pm
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Re: K12lt Towing Capacity

Quote:
Originally Posted by Richco View Post
My mechanic said the transmission failure was do to pulling the trailer. The transmission could not take the constant jolts of the trailer when changing speed, going over railroad tracks, rough roads, etc.... He also believes that the transmission id not heavy duty enough to pull a trailer.
Richard
Well I would like to see his data analysis that led to that conclusion. I really get steamed when "service people" state their opinions as fact. I suppose it is not strong enough for a side car either. I have repaired several transmissions that have failed and it is usually the front input shaft bearing and that is usually attributed to clutch action and riding style not pulling loads.

Oh crap I just did here what I get steamed about. Guess I better stop before I hurt myself.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #15 of 15 Old Jun 7th, 2014, 12:43 pm
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Re: K12lt Towing Capacity

Just thought I'd throw out an idea for you to consider. Trying to word this so that I don't sound like too much of an arrogant prick, so bear with me. Or bare with me, your preference.
When calculating the stopping distance of any given vehicle, the weight of the single vehicle is not considered. That's because mass (weight) on either side of the equation cancels out. Weight is a component of mass moving forward, and on the other side, mass being pulled downward by gravity. For a single unit, that mass is equal.
Where the rub comes in is when you add unbraked weight - a trailer. Now there is a disparity of mass moving forward (add the weight of the trailer), versus mass pushing down on the braked wheels - no trailer.
Bottom line, the heavier the unbraked trailer, the less effective braking will be.
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