Where is the Timken bearing on a Shovelhead engine?
Similar to the Shovelhead and Evolution engines, the ’99 to ’02 Twin Cam engines were shipped with a dual tapered Timken roller bearing on the crankshaft’s left side. When set up correctly, the Timken bearing provides trouble-free service for even the largest and most powerful engines.
What kind of bearing does a Harley Panhead use?
Once the bearings are installed, they use a Harley tool called a Crankcase Main Bearing Lap, Part no HD-96710-40. These are still available but are made by the JIMS Co. The Lap unit has bushings that fit tightly in the assembled cases to hold the centerline between the drive side and pinion side bearings.
What’s the crank case race line on a panhead?
I don’t have a Panhead Service Manual (1948-1965 Models) but I do have the later one for Shovelhead motors (1978-1/2 to 1984), The Shovelhead crankcases are very similar to the Panhead cases. The book mentions heating the crankcases to 275 to 300 degrees F. both to remove and replace the steel main bearing races.
What kind of crankcase bearing do I need for a twin cam?
In this discussion, we will focus on replacing the Twin Cam’s left-side crankcase straight roller bearing with a tried-and-true tapered Timken roller bearing. Similar to the Shovelhead and Evolution engines, the ’99 to ’02 Twin Cam engines were shipped with a dual tapered Timken roller bearing on the crankshaft’s left side.
Is the Harley Panhead crank case bearing race line boring?
I have a buddy that’s putting together a 44 Panhead. He has a crank case for it with some badly scored bearing races, so he bought some new races and is worried that when they’re pressed in, they won’t be aligned as much as needed.
What kind of engine case do I need for a 1965 Shovelhead?
VT No: 10-0938 Left side engine case for aluminum electric start inner primary application on 1965 Panhead and 1966-69 Flat Side Shovelhead engines. Left hand case must be fit to existing right side case. Cylinder deck height must also be machined to match to original right side case.
Which is the right side of the Shovelhead case?
Includes standard pinion right side case race cam chest idler shaft and circuit breaker shaft kits cam needle bearing cylinder base stud set cadmium motor case drain/oil pump body plug and primary breather tube. Requires the use of a Timken bearing assembly for the left side.
How does a crank case bearing race work?
It’s basically just a cast iron lapping head of the correct size, with an internal taper that opened the lap up when you tightened the adjusting end nut. The whole thing was aligned with a pilot that went in the other side case’s bearing race, with the shaft long enough to pass both sides.