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Discussion Starter #1
hi there.
i´m busy with a new race project.
i have the plan to build a 749 swingarm in a supersport frame.
the problem is that i don´t know if my plan is possible.
the problem i see is that the swingarm from a supersport has a different angle.
so it is probably shorter. but i don´t know if the angle is a problem?

does anyone have tried to fit this, and what difficulties did you ran in to.
and of caurse, how did you fix it?

thanx.

mark, the netherlands
 

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don't do it, get a superbike frame and fit the
engine in there is much easier.
be aware of the fact that supersport and super-
bike engines are different at their swingarm
mounts. The superbike engines are narrow,
because these bikes got their bearings inside
of the swingarm instead of inside the cases.
Shock position is way different too.

do some search on this board if you like to,
lots of interesting conversions around here.

:think:
 

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It's possible, Febur used to make a conversion kit to put a single-sided swingarm from a 916 onto an SSie. As Muschi mentioned shock position is way different as the superbikes all use linkages and the SS's are just a shock. The Febur kit included a bracket that mounted the linkage for the Superbike shock in the correct position.

Plus you have to machine down the engine cases on your bike to fit the swingarm.

Here's a link to the Febur kit...
 

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Discussion Starter #4
thanx for the quick response.
i have an 1000ds engine. and a supersport frame.
i want to mount a nice swingarm, but have no idea what and how.
do you have some solutions and ideas?
the swingarm has got to have a mounting distance of 14 cm.
i dont want to do much welding on the frame.

maybe you know where i can find some pictures or info.

thanx
 

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member riversbikes is selling his mh900e swingarm,
which he has converted to use with a supersport frame.

it is in the advertise section of this board right now.

i have a mh900e swingarm myself, it is rather heavy,
i'd get me a standard SS 1000 DS swingarm and
forget about the matter.
 

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Discussion Starter #6
i have a swingarm from a multistrada but building in that one will take a lot of welding.
that's why i'm looking for an easier way.
the multistrada has bearings in the swingarm and the 1000ds engine doesn't have bearings in the engine case.
advice
????
 

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if the 1000 DS engine is from either a monster or
supersport, it should have bearings inside its cases.

if not, it might be from a multilala already,
supersport engines are ~17cm wide where
the swingarm bolts on.

:think:

if you have an engine with bearings inside, get
a monster S2R swingarm and have a shock
mounting bracket welded to it, others have done
it succesfully in the past.

:think:
 

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Discussion Starter #8
well i do have a multistrada engine.
the mounting has no bearings and is 14 cm wide.
so to make it easier on myself i´m gonna look for a superbike frame.
than i can keep the multistrada swingarm and don´t have to look for something else.
the only thing i keep behind is a supersport frame. but that part i´m gonna sell.
thanx for all your help.

greetz
 

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i really love superbike frames with aircooled
engines in them, as said, there are several
nice examples to be found in this supersport
section of the board.

have fun with the project then, and come up
with some pictures every now and then if you
like to.

:)
 

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hm, i don't know what to say... it is a common
kind of custom ducati i'd say, i have seen so
many now, on this board and elsewhere, one of
my favorites is this, available in kit-form:


 

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The problem with this is that not all DS1000 engines are the same. The Monsters, Sport Classics, and Supersports share wider engine cases with swingrm bearings inside the cases themselves. The cases are wider and stronger because the engine cases are the sole support for the swingarm pivot.

The Multistrada and Hypermotard had narrower cases, the same width as the Superbikes, and the swingarm pivot is supported by both the engine and the frame.

If the donor engine is from a Supersport, the Superbike swingarms will not work without expensive modifications.
 

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well i do have a multistrada engine.
the mounting has no bearings and is 14 cm wide.
so to make it easier on myself i´m gonna look for a superbike frame.
than i can keep the multistrada swingarm and don´t have to look for something else.
the only thing i keep behind is a supersport frame. but that part i´m gonna sell.
thanx for all your help.

greetz
Hey Mark,

Please send me PM on price for the frame.

Dick (from The Netherlands...)
 

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Discussion Starter #17
he dick.

je hebt een pm.

grappig een nederlander op dit forum, was ik nog niet eerder tegengekomen.

groeten,

mark
 

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I have a 749/999 swingarm at my house and just measured inside mounting is 150mm and the ss motor is definatley wider at 170mm so there is 20mm diff which could cause a problem. Would have to be some custom machining there
 

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Discussion Starter #19
thanx for the info.
the only solution is to make two spacers. that would solve the mounting problem.
but the other problem is the shock.
that one has to be mounted to, and it needs the original angle, so the connection on the 749 swingarm is to low.
no, a superbikeframe is the only (easy) solution.

thanx
 
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