Longer Shock Absorber on k100?

[Enfield]

Hi.
 I am about to finish my k100 project…but the YSS Shock Absorber I got seems a bit short ( 350 mm / 13.7 inch) and it is not adjustable as I thought.. Anyone know how much I can add to the height without compromising drivetrain? I am 6.6 and the K is way to low as it is know. If anyone has one to recommend it would also be great.
Regards
Christian

[Enfield]

And a pic of the project ...



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[Enfield]

Did some more reading - seems to me that I should find one for a K1100!

[Laitch]

Did some more reading - seems to me that I should find one for a K1100!

You should also enquire about the optional ride height adjuster that allows a further 10mm adjustment to the height.

[Filmcamera]

The standard shock on any of the paralever bikes is longer than on the monolever so a shock from a K100 16v wold also work for you

[Martin]

Changing the shock will not alter the relationship between you and the pegs. The only way to do that is to lower the pegs or raise the seat. A longer shock will alter the handling. It will also give you more cornering clearance. What are you trying to achieve with the addition of a longer shock?
Regards Martin.

[Enfield]

Changing the shock will not alter the relationship between you and the pegs. The only way to do that is to lower the pegs or raise the seat. A longer shock will alter the handling. It will also give you more cornering clearance. What are you trying to achieve with the addition of a longer shock?
Regards Martin.

I need to lift the rear a bit more - the wheel is very close to the " fender"? ( is it Called that? ) I plan to use it on other than paved roads - and fear that the wheel will get in contact with the fender. Pic explains better I guess ;-)



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[Enfield]

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[Martin]

 :2thumbup:
Regards Martin.

[Laitch]

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Is that the clearance measurement from the tire to the fender when you are sitting on the bike, Enfield?

[Enfield]

Is that the clearance measurement from the tire to the fender when you are sitting on the bike, Enfield?

If only it was.... that is unloaded.....


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[Laitch]

If only it was.... that is unloaded.....

It seems to me that the bike with its present layout is destined to be a paved road showpiece until the frame arc above the wheel assembly is somehow restored.

k1100LT frame.jpg (52.3 kB . 720x299 - viewed 2323 times)

Custom K, from The Foundry Motorcycles.jpg (82.7 kB . 640x427 - viewed 2333 times)

[Enfield]

I will give it a go with a longer shock - the one on the last pic looks great but will never be Street legal around here...


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[Enfield]

I Can see why some just cut off the rear arc... but I would be worried about strenght


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[Laitch]

the one on the last pic looks great but will never be Street legal around here...

Why wouldn't it be street legal? Will yours be street legal?

[Enfield]

You are allowed only to make small alterations to the frame - and only behind the schock..at least here in Denmark.


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[Enfield]

Like cutting off rear Arch and replace it with something of similar thickness and strenght


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[Enfield]

If not for the rules and regulations around here this would be the shortest Way to go



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[Enfield]

Thanks guys - the k1100 shock did the trick. Maybe I need to change the plastic fender - that is easy :-)


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[Laitch]

the k1100 shock did the trick. Maybe I need to change the plastic fender - that is easy

What is the wheel clearance measurement now when you are seated on the bike, Enfield?

[Enfield]

What is the wheel clearance measurement now when you are seated on the bike, Enfield?

I have the shock in the second " hardest" notch - gives me about 12 cm to the frame..


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[Filmcamera]

It looks much better but to my eye still somehow low in the rear compared to most K bikes.   Did you do any frame mods etc?

[Enfield]

It looks much better but to my eye still somehow low in the rear compared to most K bikes.   Did you do any frame mods etc?

Nothing else but cutting off the rear and welding on a New rear arch. Did not change angle or anything. Guess I just have to keep suspension rock Hard when going off Road


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[LaBruttaBestia]

Nothing else but cutting off the rear and welding on a New rear arch. Did not change angle or anything. Guess I just have to keep suspension rock Hard when going off Road


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Ciao Enfield, to get that certified did you happen to run across any document from BMW that states that the rear frame isn't necessary for the stability of the motorcycle?

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[Enfield]

No sorry - around here it can pass inspection …. just be sure who you chose to do the inspection…
 Do you need it to get yours on plates?
I have been thinking about just cutting the rear off without welding another piece on on my next project and then make some "bushes" in a lathe that allows for the original rear to be mounted for inspection? Have everything powder coated - would be hard to see if it was done with great care.
 Would be great if someone with more knowledge about had anything to say about stability in the frame if one did that? Looks kind of ok without any rear and allows for more rear wheel travel? Like the attached pic earlier in this thread.
Regards
Chr