Bonnie in the Castle: Top End & Gearbox, 2016

Replacements and Work Performed

.100" overbore
New pistons and rings
New intake valves
New mainshaft (Baxter)
New 57-1606 closed end needle roller bearing (layshaft, high gear end)
New 57-0448 high gear bearing
New head bolts

(Click Photos to Enlarge)

Top View, Cylinders and Pistons

Top view of cylinders and pistons

Cylinders with head gasket installed

Cylinders with Head Gasket

Cylinders with Head Gasket

Cylinders with head gasket installed

Pistons, cylinders, and PRTs installed

Pistons, cylinders, and PRTs installed

Cylinders with cylinder head intalled from Timing Side

Cylinder Head Installed

Cylinder Head Rocker Boxes Installed

Cylinders with cylinder head and rocker boxes intalled, from Drive Side

Cylinders with cylinder head and rocker boxes intalled, from Timing Side

Cylinder Head Rocker Boxes Installed

Dramatic Light

Drive Side view of T120R engine in frame in dramatic light

Exhaust TS Engine in Frame

Intake TS Engine in Frame

Timing Side view of engine with carbs and ignition coils intalled

TS of engine with carbs and ignition coils intalled

DS of engine with carbs and ignition coils intalled

Drive Side view of engine with carbs and ignition coils intalled

Drive side view on engine completed

DS of completed engine

DS view on engine completed

Drive side view on engine completed

Timing Side exhaust view of cylinders, cylinder head, and rocker boxes

TS Exhaust view of cylinders, cylinder head, and rocker boxes

DS view of cylinders and cylinder base nuts

Drive Side view of cylinders and cylinder base nuts

Engine and frame hoisted in air for removal of work table

Bonnie hoisted Up for removal of work table

Bonnie Comes Back to Earth

Engine and frame lowered back to earth

Timing Side view of nearly completed motorcycle outside of the Bonnie Castle

Nearly Complete Bonnie Outside the Castle