Top of page TMC Logo
Triumph Logo

Bonnie at the Castle: Assemble Shell Bearings & Rods

Winter 2023

(Click Photos to Enlarge)

1. Brand new rods for Bonnie at 88,000 miles.

New Triumph 650 connecting rods.

2. Shell bearings installed in rod (top) and rod cap.

Photo of shell bearings installed in rod and rod cap.

3. Rods and shells ready to install on crankshaft.

Photo of rods and shells ready for trial assembly to crankshaft.

4. Plastigauge applied to journals before torquing cap bolts.

Using Plastiqauge to check shell bearing clearance.

5. Checking shell bearing clearance on crankshaft journals after torquing cap nuts and then removing.

Photo of using Plastigauage on crankshaft journal.

6. Checking shell bearing clearance with Plastigauge.

Photo of using Plastigauage on shell bearing.

7.

Checking shell bearing clearance with Plastigauage.

8. Both rods assembled to crankshaft journals after checking shell bearing clearance.

Photo of both rods assembled to crankshaft journals after checking bearing clearance.

9. Note punch marks on rods and caps for correct installation/orientation.

Photo of rods and rod caps showing punch marks for orientation.

10. DS bearing installed on crankshaft.

Photo of DS end of crankshaft with roller bearing installed.

11. RHP bearing - MRJA1 1/8J EE.

Photo of installed RHP bearing.

12. TS of crankshaft showing sludge trap cover.

Photo showing TS end of crankshaft with sludge trap.