BMW K bikes (Bricks)

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1Back to top Go down   Re: Towing capacity: K100  Empty Towing capacity: K100 on Wed Feb 26, 2014 3:18 pm

gunsports

gunsports
Silver member
Silver member
I've got this crazy idea: Build a little tear drop camping trailer and tow it with my K100.

Anybody ever tried this?

If so, what weights (towing) are we looking at and what modifications to the bike will be required?

If anyone has done this; some pictures perhaps?

    

2Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Wed Feb 26, 2014 3:43 pm

92KK 84WW Olaf

92KK 84WW Olaf
Life time member
Life time member
Someone in Australia makes trailers and also makes tow bars for the K100, google on line even. Some of us over here are looking for one but the cost of shipping is much too high.

I imagine there are weight limits and speed limits, but you need to watch the weight on your draw bar and also the electrical connections. Its a very neat idea though.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 96,650 miles
1983 K100RS 0011175 Fricka 29,495 miles Damn K Pox Its a Bat outta Hell
    

3Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Wed Feb 26, 2014 4:46 pm

duck

duck
Life time member
Life time member
There's a guy on the K11OG forum that has a Uni-Go trailer for his K1100LT.  He does triple digits and says it's no problem.

Re: Towing capacity: K100  DSC03161


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

4Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Wed Feb 26, 2014 6:03 pm

Kyle10

Kyle10
Life time member
Life time member
Check this motorcycle trailer site. Some really nice applications.
(no affiliation)

    

5Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Wed Feb 26, 2014 6:20 pm

rosskko

rosskko
VIP
VIP
If Schoorn is going to a Trumpy maybe he needs one of these.

Re: Towing capacity: K100  $_57

Oh the indignity for any self respecting red dog.

Uni-Go


__________________________________________________
1986 K100RT VIN 0093801K100RT with summer fairing for a northern visitor

Basic/2 6308802K100CJ  05/1988

K1100RS 0194321
    

6Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Wed Feb 26, 2014 6:39 pm

Arlina

Arlina
Life time member
Life time member
Re: Towing capacity: K100  Twist-Motorcycle-Trailer

Re: Towing capacity: K100  10-20130616-06_CM-MotorbikeTrailerBus-sml

More creations;
*Click*

And, what is little?


__________________________________________________
Re: Towing capacity: K100  Eu-log10  K1100RS/LT - R1200RT - R1100RS (RIP) - Cagiva SST 350 Ala Verde
    

7Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Wed Feb 26, 2014 8:08 pm

RicK G

RicK G
VIP
VIP
BMW don't recommend towing trailers with any of their motorcycles, now that out of the way.
I tow a camper trailer that I made myself with a view to marketing them but due to health etc it didn't happen
Here is a pic of it folded out
Re: Towing capacity: K100  Camper10
It's 1180mm across and 1340mm on the box plus 900mm on the drawbar comes in at 170kg plus load but that includes the double mattress and all the camper components.
I have towed it to 160kph without problems.
I can't speak for SA rules but in Queensland the loaded trailer must not exceed the unloaded weight of the bike and width is restricted to 1.25 metres and length to 2.4 metres.  Most countries have restrictions on tow ball upper and lower limits and some of the single wheel trailers in the link would not pass here because the tow hitch articulation point is far to high to be safe in an emergency braking situation and would lift the rear wheel.


__________________________________________________
"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats."  from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

8Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Thu Feb 27, 2014 3:37 am

Ed

Ed
Life time member
Life time member
GS, I was perusing the www the other day and was entertained by many varied rigs throughout the globe including SA. 
rules and specs seem somewhat invalid for most. 
this is probably not my idea of a safe trip. I'd be inclined to put a gooseneck in the drawbar ,and lower the trailer deck as much as possible to keep the centre of gravity low as possible. this would hopefully remove the effect of tail wagging.
Re: Towing capacity: K100  10972210

I am however glad that my recent purchase, landed me a lightweight alloy box trailer - 55kg, I haven't measured the weight at the ball as yet.
the box size is approx 140mm x 850 x 400, plenty of storage space, for the coldies of course.
I would probably estimate mine to be about the same as Ricks when I'm loaded. so not a lot of strain on the K when travelling. hardly know it's there.
and you get to enjoy the twisties along the way. nice camper btw  Rick. similiar to my plans.



Last edited by groverK on Sat Mar 01, 2014 3:57 am; edited 2 times in total


__________________________________________________
1987 K100RT  Ex- police        
1989 K100LT  Ol' Blue and "Kart" the Kamper trailer.  now KAPUT . 
1993 K1100RS  0194321         Colour #690 Silk Blue  aka " Smurfette"
2018 Kart upgrade.
Re: Towing capacity: K100  10_x_110
    

9Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Thu Feb 27, 2014 4:15 am

K75cster

K75cster
Life time member
Life time member
I know there is a difference in bikes but this bloke http://planetkeith.com uses a teardrop behind his bike, he has also indicated he is thinking of building a single bed version. I haven't spoken to him but thought the single bed version would work if the roof hinged from the front and allowing canvas to be used in the walls, thus allowing him access from both sides or cross flow for air. His wing is 1100mm wide at its widest so the 1200 for a double bed did work for him, our panniers are 850mm and the mirrors a little wider than that, so a single might work.


__________________________________________________
Keith - 1987 K75c with r100rt replica fairing and half of a 1984 K100rt 1992 K1100LT a blue one

The Clever are adept at extricating themselves from situations that the wise would have avoided from the outset - QUOTE from david Hillel in Out of the Earth.
    

10Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Sat Mar 01, 2014 3:31 am

gunsports

gunsports
Silver member
Silver member
Thanks a lot for all the replies and information.

I like the little teardrop that this guy: planetkeith.com built for his bike. I like camping; but at my age, the idea of sleeping on the ground no longer appeals. And, with the amount of stuff I want to haul on a camping trip, there is no ways I'm going to lash it all to my bike. So, either way; a trailer is needed. May as well be a self contained one.

I am a sole traveller, so a 3/4 matress size will do. Making it a fold up; but retaining the teardrop shape, seems to be the best solution. I plan to buy a light second hand utility trailer with papers, and then go from there.

Also, I have a project Goldwing; also a 1000cc bike, that I may as well modify to serve as a tug for this project. (I had another look at my K. It's gonna be sooo ugly with a hitch!)

Long term, but at least I have a starting point.

Again, thanks ....

    

11Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Sat Mar 01, 2014 4:00 am

Ed

Ed
Life time member
Life time member
takes about 1/2 an hour to remove the hitch, no probs.
the K is enjoyable with the trailer in tow.


__________________________________________________
1987 K100RT  Ex- police        
1989 K100LT  Ol' Blue and "Kart" the Kamper trailer.  now KAPUT . 
1993 K1100RS  0194321         Colour #690 Silk Blue  aka " Smurfette"
2018 Kart upgrade.
Re: Towing capacity: K100  10_x_110
    

12Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Sun Mar 02, 2014 1:13 am

gunsports

gunsports
Silver member
Silver member
Next question: Anybody got pictures/details/specifications for a K tow hitch? How it looks, where it mounts on the frame etc? Also, what modifications to the wiring loom?

GroverK's post that is removable is good news. I was under the impression that this would be a permanent fixture; hence my reluctance to 'modify' the K.

    

13Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Sun Mar 02, 2014 1:44 am

K75cster

K75cster
Life time member
Life time member
GroverK had plenty of pics when he did his, don't remember where they were posted though, possibly electrical section, but my towbar mounted to the gearbox frame mount on the left side, and to the rear foot peg on the right, two flat bar pieces came down from under the rear frame pannier mount to bolt to the towbar to keep it at a certain height pretty much at a distance that ensured the trailer mount to the ball be level with the centre line of the axle of the bikes back wheel, they are unobtrusive, most people don't notice them.


__________________________________________________
Keith - 1987 K75c with r100rt replica fairing and half of a 1984 K100rt 1992 K1100LT a blue one

The Clever are adept at extricating themselves from situations that the wise would have avoided from the outset - QUOTE from david Hillel in Out of the Earth.
    

14Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Sun Mar 02, 2014 2:30 am

Ed

Ed
Life time member
Life time member
this is the towbar wiring session .
thanks to the help of others here ,I managed to get the harness up and going.
apart from footplate and rear fender  removal, there is not much to removing the towbar .
 you will need to carry out this task when replacing tyres so it is good that it is a quick job.
Keith do you still have your tow bar handy for comparison. we need to put together a towbar session for the tech thread.


__________________________________________________
1987 K100RT  Ex- police        
1989 K100LT  Ol' Blue and "Kart" the Kamper trailer.  now KAPUT . 
1993 K1100RS  0194321         Colour #690 Silk Blue  aka " Smurfette"
2018 Kart upgrade.
Re: Towing capacity: K100  10_x_110
    

15Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Sun Mar 02, 2014 6:03 am

K75cster

K75cster
Life time member
Life time member
Yep got it hanging in the shed beside all the body parts I have gotten ready for the topcoat, Mind you, you can thank me for this weather as I said to Michelle I will go order some paint this week, and that was the week it started raining about a fortnight ago, so I will go get the paint soon, not stating a time as I don't want a flood here. Hey any excuse to run away from the handbrake for awhile will be fine with me


__________________________________________________
Keith - 1987 K75c with r100rt replica fairing and half of a 1984 K100rt 1992 K1100LT a blue one

The Clever are adept at extricating themselves from situations that the wise would have avoided from the outset - QUOTE from david Hillel in Out of the Earth.
    

16Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Tue Mar 13, 2018 6:49 am

Ed

Ed
Life time member
Life time member
thought I'd update this thread with the inclusion of a new Trailer Section by Bert . 
Certainly helps to compare fitments and tech info for those interested in adding a trailer to their K .


__________________________________________________
1987 K100RT  Ex- police        
1989 K100LT  Ol' Blue and "Kart" the Kamper trailer.  now KAPUT . 
1993 K1100RS  0194321         Colour #690 Silk Blue  aka " Smurfette"
2018 Kart upgrade.
Re: Towing capacity: K100  10_x_110
    

17Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Tue Mar 13, 2018 7:11 am

92KK 84WW Olaf

92KK 84WW Olaf
Life time member
Life time member
Ed thanks a lot for that.

I have a towbar for the K1100LT somewhere in transit to BAE at the moment. As it stands it needs a shot blast and recoating which I don't mind. It included the wiring loom and a regular for here 7 pin electrical plug. I am keen to alter this to a push connector block simply to remove the weight of the socket and plug.

Next step is the trailer and one has been sourced...!


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 96,650 miles
1983 K100RS 0011175 Fricka 29,495 miles Damn K Pox Its a Bat outta Hell
    

18Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Tue Mar 13, 2018 1:46 pm

Born Again Eccentric

Born Again Eccentric
Life time member
Life time member
@92KK 84WW Olaf wrote:
I have a towbar for the K1100LT somewhere in transit to BAE at the moment...  It included the wiring loom ...
It was delivered to me yesterday and is safely locked up in the garage...needs some TLC and "wiring loom" is something of an exaggeration (socket and about 30cm of wire to the point where it was chopped off). Now need to work out how and when to get it to you...


__________________________________________________
Re: Towing capacity: K100  Uk-log10 Re: Towing capacity: K100  Sco-lo15Re: Towing capacity: K100  Eu-log10
                              Paul  Re: Towing capacity: K100  905546712

"Heidi" K100LT 1991 (Grey) (VIN 0190172 Engine No. 104EB 2590 2213) - 5th owner. January 2014 (34,000 - 61,000 miles and counting....)
"Gretel" K100LT 1989 (Silver Grey) (VIN 0177324 Engine No. 104EA 2789 2211) - 4th+ owner. September 2015 (58,500miles and counting....). Cat C Insurance write-off rebuild Feb 17
"Donor" K100LT 1990 (Red)  (VIN 0178091 Engine No. 4489 2024) - 6th & final owner (crash write-off now donor bike).   June 2012 (73,000 miles) to November 2013 (89,500 miles)
    

19Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Tue Mar 13, 2018 4:18 pm

Ed

Ed
Life time member
Life time member
good work guys. the 100 and 1100 are great as tugs. 
Getting back to load limits , as a novice to towing with a bike , I found a comfortable weight restriction was :

Trailer mass + cargo mass ( not more than 100kg)  + Maximum 20kg on the ball ( 10- 15kg prefered).
This does not mean you cannot go with higher scales of measurement , this was just what I felt suited me .
Remember , heavier weights take more braking power. I have not yet utilised electric brakes .


__________________________________________________
1987 K100RT  Ex- police        
1989 K100LT  Ol' Blue and "Kart" the Kamper trailer.  now KAPUT . 
1993 K1100RS  0194321         Colour #690 Silk Blue  aka " Smurfette"
2018 Kart upgrade.
Re: Towing capacity: K100  10_x_110
    

20Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Tue Mar 13, 2018 5:35 pm

92KK 84WW Olaf

92KK 84WW Olaf
Life time member
Life time member
EU trailer limits:

Max length 2400mm from centre of rear axle to end of trailer.
Max weight 2/3 of bike weight, but max trailer weight 150kg.
Max width 1.00m [motorcycle max width is 1m].
Minimum bike capacity 125cc as far as I remember.

I would not go for electric brakes, or any brakes on trailer. If it grabs in a turn it could be unpleasant.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 96,650 miles
1983 K100RS 0011175 Fricka 29,495 miles Damn K Pox Its a Bat outta Hell
    

21Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Tue Mar 13, 2018 10:05 pm

RicK G

RicK G
VIP
VIP
Override brakes with a stiff spring will work well but as for electric brakes the manufacturers, Dexter, does not recommend it at all and nor do I. If you touch the brake in a tight slow turn they WILL pull you over.


__________________________________________________
"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats."  from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

22Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Wed Mar 14, 2018 4:19 am

Ed

Ed
Life time member
Life time member
Rick , Do you remember the little Enfield 350 or 500 at Karuah in 2014. He had his "heavy' trailer fitted with electric brakes . 
As did a guy who I saw at Grey Gums riding a VFR800 with a camper just like yours ( or similar to Elite). 
Whereas Rendrag on the forum , was an adventurer riding his VFR800 fully loaded with a 200+kg Classic trailer. Braking was an issue at times for him .

Olaf , its not uncommon to see small scooters with advertising being towed behind them . All legal here  in Oz.Re: Towing capacity: K100  Scoote10


__________________________________________________
1987 K100RT  Ex- police        
1989 K100LT  Ol' Blue and "Kart" the Kamper trailer.  now KAPUT . 
1993 K1100RS  0194321         Colour #690 Silk Blue  aka " Smurfette"
2018 Kart upgrade.
Re: Towing capacity: K100  10_x_110
    

23Back to top Go down   Re: Towing capacity: K100  Empty Re: Towing capacity: K100 on Wed Mar 14, 2018 4:21 am

Ed

Ed
Life time member
Life time member

   Moving this :Re: Towing capacity: K100   

 Gunsports ,  hope you find what you are looking for .


__________________________________________________
1987 K100RT  Ex- police        
1989 K100LT  Ol' Blue and "Kart" the Kamper trailer.  now KAPUT . 
1993 K1100RS  0194321         Colour #690 Silk Blue  aka " Smurfette"
2018 Kart upgrade.
Re: Towing capacity: K100  10_x_110
    

24Back to top Go down   Re: Towing capacity: K100  Empty Re: Re: Towing capacity: K100 on Wed Mar 14, 2018 5:31 pm

Born Again Eccentric

Born Again Eccentric
Life time member
Life time member
Of course, if you believe everything you read (trusty K75/K100 Haynes manual)...affraid
Re: Towing capacity: K100  Traile10


__________________________________________________
Re: Towing capacity: K100  Uk-log10 Re: Towing capacity: K100  Sco-lo15Re: Towing capacity: K100  Eu-log10
                              Paul  Re: Towing capacity: K100  905546712

"Heidi" K100LT 1991 (Grey) (VIN 0190172 Engine No. 104EB 2590 2213) - 5th owner. January 2014 (34,000 - 61,000 miles and counting....)
"Gretel" K100LT 1989 (Silver Grey) (VIN 0177324 Engine No. 104EA 2789 2211) - 4th+ owner. September 2015 (58,500miles and counting....). Cat C Insurance write-off rebuild Feb 17
"Donor" K100LT 1990 (Red)  (VIN 0178091 Engine No. 4489 2024) - 6th & final owner (crash write-off now donor bike).   June 2012 (73,000 miles) to November 2013 (89,500 miles)
    

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