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SE Bearing, Crank, Valve and Cam Service

Puzzle Type: Educational
Across
2 cycle engine valves are operated by engine _____
Term that means a bearing has a slightly larger curve than the bore it is installed in
A valve grinding machine can also remove metal from the valve _____.
Cam _______ controls how long the valve is open
Part of valve that makes a seal
Process used to polish and check valve sealing surfaces
Some valve guides are _________
Seal part that keeps the sealing lip in contact with the shaft
Difference in seat and valve angle
Worn crank journals can be ground to a specific undersize and reinstalled with oversize bearings
___________ reduce crankshaft vibration
________ are placed on bearing caps to show their orientation.
Crankshaft tolerance measured with a dial indicator
The valve sits in this when closed
Excessive _______ can cause poor fuel flow
Part of the cam that contacts the valve lifter.
All _____ must be washed away after reaming
Non replaceable valve guides may be _______ and new valves be replaced with wider stems
The valve seating line should be near the ______ of the face
Tool used to hold a valve while lapping
Connecting rod caps should never be _______.
Valve ______ centers the valve in the bore.
Tight valve clearances will cause valve timing to be ______.
Down
Bearing inserts are made in ______ pairs
Pressure should be applied to the _______ when installing bearing inserts
Equivalent to 2 times the crankshaft throw
Crankcase ____ prevent oil leakage
Worn valve guides allow the valve to ____ and prevent proper seating
Transfer the camshaft motion to the rocker arms
Rocker arms should be installed after the ______ is installed on the block.
A valve that does not seat will warp and ______.
Attaches the crankshaft and piston
Rod caps should be tightened using this
Term that means both bearing inserts will protrude slightly above their parting surface
Long skinny part of valve
Tool used to measure crankshaft diameter
Tool used to measure bearing insert clearance
Some valve seat _______ can be replaced
Valves must be properly seated and __________ to prevent engine damage
Used to reduce internal engine friction on moving parts
The crankshaft turns _____ as fast as the camshaft
Determined by the crankshaft journal's offset
The correct _____ must be used when grinding or replacing valve seats
Heat is removed from the valves through the ______.
Types of valves commonly used in 2 cycle engines