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Kawasaki mule diesel Conversion Vanguard engine crankshaft modification

Kawasaki Mule Diesel Conversion 23 hp Briggs Vanguard Cranshaft Modification sion



Starting with a Briggs 23 hp Vanguard V-Twin engine with a 3" long crankshaft:

Using a 8.5mm drill bit, mark bit with tape to a drill depth of 2 5/16"

Use this mark to determine how deep to drill thread hole deeper into crankshaft

HINT: Click on all photos to view a larger photo.


Drill crankshaft thead hole to tape mark on drill bit.
Note: Yellow pointer

Put black mark on crankshaft 2" from crankshaft shoulder near engine side cover

After blowing out steel chips from drilling. Use 3/8" 24 thread tap to thead existing threads deeper

Note: Must use a 3 flute tap.

Cut off crankshaft with sawsall. using the black mark as to cut position
Make crankshaft cut square.

Afer crank is cut off, make sure threads are 1" deep into crankshaft.

HINT: Click on photo to show a larger detailed view


File edges of crankshaft and file keyway so edges are smooth.


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