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Reused OEM pushrods for cam swap, so drained removed tank to access top end. Also removed exhaust to access cam cover/cavity.
Reused OEM pushrods for cam swap, so drained removed tank to access top end. Also removed exhaust to access cam cover/cavity.
0 2013/06/04 11:18:09
Close-up of TC96 roller lifters and anti-rotational pin (see screwdriver). With fairly low miles on motor decided not to change lifters during install.
Close-up of TC96 roller lifters and anti-rotational pin (see screwdriver). With fairly low miles on motor decided not to change lifters during install.
0 2013/06/04 11:17:37
Cam cover removed (only a bit of oil is lost). Used a lock tool to remove cam/crank sprocket nuts (you can also leave motor in gear with rear wheel on floor to keep sprockets from turning).
Cam cover removed (only a bit of oil is lost). Used a lock tool to remove cam/crank sprocket nuts (you can also leave motor in gear with rear wheel on floor to keep sprockets from turning).
0 2013/06/04 11:17:37
With both sprockets removed you can see large spacer washer on rear cam - purchased $8 bag of different thickness MoCo washers for new cam install. Remove 6 allen bolts that secure cam plate to motor (do not need to touch bolts on oil pump or chain tensioner). Now is a good time to inspect chain rubbing blocks, front and rear.
With both sprockets removed you can see large spacer washer on rear cam - purchased $8 bag of different thickness MoCo washers for new cam install. Remove 6 allen bolts that secure cam plate to motor (do not need to touch bolts on oil pump or chain tensioner). Now is a good time to inspect chain rubbing blocks, front and rear.
0 2013/06/04 11:17:37
With cam support plate removed can now access cam bearings. Flywheel can be seen just behind bearings. Note oil passage o-rings on left - must change during install no matter how many miles on motor.
With cam support plate removed can now access cam bearings. Flywheel can be seen just behind bearings. Note oil passage o-rings on left - must change during install no matter how many miles on motor.
0 2013/06/04 11:16:43
I used a Heartland cam bearing puller/installer tool - great kit that came with new B168 bearings for about $120. Only glitch was that fingers on puller were spread a little too far apart to fit into bearings, so I gently tweaked the arms with a small hammer to close them up a little. Used a socket wrench on the large nut and pulled out the old bearings.
I used a Heartland cam bearing puller/installer tool - great kit that came with new B168 bearings for about $120. Only glitch was that fingers on puller were spread a little too far apart to fit into bearings, so I gently tweaked the arms with a small hammer to close them up a little. Used a socket wrench on the large nut and pulled out the old bearings.
0 2013/06/04 11:16:43
Here is pic of cam support plate with the old cams ready for swapping. Rear chain tensioner is at top, oil pump is at bottom.
Here is pic of cam support plate with the old cams ready for swapping. Rear chain tensioner is at top, oil pump is at bottom.
0 2013/06/04 11:16:43
Here is a side-by side of the OEM cam (left) and the new SE-254E cam - note difference in cam lobes. Reassemble in reverse order, be sure to use asm'bly lube on cams and bearings, replace necessary gaskets and o-rings, and be sure to torque fasteners to proper values.
Here is a side-by side of the OEM cam (left) and the new SE-254E cam - note difference in cam lobes. Reassemble in reverse order, be sure to use asm'bly lube on cams and bearings, replace necessary gaskets and o-rings, and be sure to torque fasteners to proper values.
0 2013/06/04 11:15:04
Side-by-side pic of old (left) and new cam bearings. Note number of needle rollers and cage.
Side-by-side pic of old (left) and new cam bearings. Note number of needle rollers and cage.
0 2013/06/04 11:15:04
After the old bearings are removed, use the Heartland tool to install the new B168 bearings. The installer is designed to press the new bearings at the correct depth - no measuring is necessary. Easy! Be sure to put a little asm'bly lube in the new bearings.
After the old bearings are removed, use the Heartland tool to install the new B168 bearings. The installer is designed to press the new bearings at the correct depth - no measuring is necessary. Easy! Be sure to put a little asm'bly lube in the new bearings.
0 2013/06/04 11:15:04
 
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