Rotax B box, Rotax B reduction drive for use
with Rotax provision 8 crankcase.
Installing the Rotax "B" Gear Box Prov
8
1. Clean and degrease the crankshaft end
and mounting holes on the crankcase before starting.
2. Using the Rotax fixation tool supplied
in the Rotax tool kit lock the engine up by installing the pin into the
impulse hole, used to run the fuel pump. With the pin in place rotate the
engine, until it locks.
3. Install drive gear onto crankshaft
end, with the lockwasher under the head of the bolt, and the flat washer
under the lockwasher. Torque to 45 FOOT lbs.
4. Install the rubber O ring (#3) into
the back half of the gearbox, if necessary use dielectric grease to hold
ring in place.
5. Position back half of gearbox (#1)
onto crankcase. Apply loctite #242 to threads of bolts (#4) install two
bolts and torque 195 INCH lbs.
6.Install gasket - make sure gasket is
not damaged.
7. Install front half of gear box housing
and secure with bolts and lockwashers. Use loctite 242 on threads and
torque to 195 INCH lbs.
8. Fill gear box with 90 weight oil until
oil runs out the lower of the two side plugs.
9. Tighten then safety wire top and
bottom plugs.
10. Tighten then safety wire vent cap and
drain plug.
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Rotax manuals in pdf format
Rotax 2 stroke installation manual
Rotax 2 stroke maintenance manual
Rotax 2 stroke operators manual | 
