- Joined
- Dec 3, 2009
- Messages
- 11,041
- Reaction score
- 308
- Location
- Kingsport, Tennessee
- My Bike Models
- Former '82 GL1100 "The Slug"
This engine sounded like a diesel, Original thread by Mcgovern61
The following are video's of the noise it made followed by a tear down with photos of the main bearings.
Noisy start ups:
Rough running when cold:
Loud rapping noise that shows up above 3000 RPM:
Tracked it down with no load on the engine in this video (listen at 0:45 seconds and 1:03 seconds):
Bearing conditions, sloppy piston pins:
Lots of wear on the piston skirts (#2 & #4):
#1 and #3 upper rod bearings:
#4 upper rod bearing:
Rear main crank journal bearing:
Front main crank journal bearing:
Center main crank journal bearing:
The following are video's of the noise it made followed by a tear down with photos of the main bearings.
Noisy start ups:
Rough running when cold:
Loud rapping noise that shows up above 3000 RPM:
Tracked it down with no load on the engine in this video (listen at 0:45 seconds and 1:03 seconds):
Bearing conditions, sloppy piston pins:
Lots of wear on the piston skirts (#2 & #4):
#1 and #3 upper rod bearings:
#4 upper rod bearing:
Rear main crank journal bearing:
Front main crank journal bearing:
Center main crank journal bearing: