DUCABIKE
Imported by BellissiMoto Inc. Interested dealers, please contact us.
Installing a DucaBike Racing Slipper Clutch is easy, just follow the instructions
below, and don't forget to order the handy
DucaBike Clutch Hub installation tool!
We also use a DucaBike Clutch on our Multistrada and we love it!
The First Step is to remove the old clutch.
  1. Put the Bike in Neutral, Remove the clutch cover
  2. Using a 4mm Allen, Remove the spring Retainer bolts, Retainers and Springs
  3. Remove the Pressure plate and Rod
  4. Remove the clutch plates, but keep them in order
  5. Using the DucaBike Clutch Hub installation tool, lock down the hub and basket, then remove the
    center nut spacer and washer (32mm Socket)
  6. Remove the Tool, remove the hub, then reinstall the Tool.
  7. Remove the 8 bolts holding the basket in (14 or 13 mm Socket), and then remove the basket.
  8. Remove the last spacer on the Shaft.  It will not want to move by hand, so the best way is to
    reinstall the main nut (not tightly) and then use channel locks to get a grip on the spacer, while
    holding the nut (and the shaft) with the appropriate tool rotate back and forth till it starts to com
    lose and out.  Remove the nut and then the spacer (be sure the Green Gasket is removed as well)
Clean everything!
Shown is a 4
Spring Racing
Clutch, but the
Directions are the
Same for 4 or 6
spring

Note the 3 different
smaller tension
spring sets (Red
for racing, Blue for
street & Yellow for
in between) and the
Replacement Green
Gasket
Place the
Replacement Green
Gasket into the
grove of the new
spacer.

Slide the spacer on
the Shaft with the
large flange side
facing you and the
gasket side toward
the bike
Install the basket,
lining it up with the
holes for the 8
bolts.

Using Red High
Strength Loctite (or
similar product)
Install the 8 bolts,
loosely
Reinstall the Clutch
holding tool and
then using Torque
Wrench, torque the
bolts to the
recommended
torque.

Remove the Clutch
holding tool

Place one concave
washer on the
shaft with the high
center facing the
bike and push it
back to the spacer
Pre-assemble the
hub.  

Using the
recommended
grease, grease the
ball bearings and
place them in the
groves of the lower
hub.

Lower the upper
hub onto the lower
hub
Insert the hub halves
as one piece VERY
carefully!

At this point, the
Ducabike clutch Kit
comes with two sets
of nuts and concave
washers for different
models.  Use the one
that fits your bike.  
make sure the
washer is set so the
high middle is facing
outward toward you

Then reinstall the
clutch holding tool
Use the Locktite
again, and tighten
the nut to the proper
torque
At this point, we
recommend a new
set of
clutch plates.

See the paragraph
below for proper
order of the plates.

Keep in mind the
upper hub will still
separate from the
lower hub if pulled
on!
Install the spring
plate with the
recesses for the
tension springs
facing you.
Remove the shift rod
and push pin from
the old clutch plate
and then install them
in the new plate.

Insert this assembly
into the center of the
clutch
Insert clutch springs,
retainers and new
bolts into the clutch
and tighten them to
spec
Congratulations!!!

You did it!
Insert the desired
tension springs

Red for racing

Blue for Street

Yellow is in between
Shown here is the
lockdown pin that
comes with the 4
Spring Clutch so you
can bump start your
bike (make sure you
remove it before you
drive off!)
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There are four types of plates:
  • A- 3 mm Friction Plates (the ones that inter lock with the basket and have the sand paper surface)
  • B- 1.5 mm Steel Drive Plate
  • C- 1.5 mm Convex (the center bows outward) Steel drive plates
  • D- 2 mm Convex Steel Plate
In a standard (OEM) clutch the plates are installed in the following order leaving from the
basket (starting towards the motor)
D-A-C-A-B-A-B-A-B-A-B-A-B-A-B-A-B
You must install the plates into the slipper clutch in this order leaving from the basket
(you will have an extra
B type plate)
A-C-A-B-A-B-A-B-A-B-A-B-A-B-A-D