Crankshaft; Piston - Subaru SVX 1992 Manual

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9. Crankshaft

The crankshaft is supported by seven bearings to pro-

vide high rigidity and strength. The corners of the

crankshaft journals and webs, as well as the crank pins

and webs, are finished with fillet-roll work to increase

strength . The seven crankshaft bearings are made from

aluminum alloy and the No. 5 bearing is provided with a

flanged metal to receive thrust force.

The piston skirt has a "slipper" design to reduce weight

and sliding . The oil control ring groove utilizes a slit

The piston pin is located in an offset position. The Nos .

1, 3 and 5 pistons are offset in the lower direction while

the Nos . 2, 4 and 6 pistons are offset in the upper

The piston head is recessed for both the intake and

exhaust valves . It also has symbols used to identify the

location and the direction of installation .

Three piston rings are used for each piston-two com-

pression rings and one oil ring. The top piston ring has

an inner-bevel design and the second piston ring has an

interrupt design to reduce oil consumption .

Identification

mark (Piston size)

Location mark

(Engine front side)

Location mark

(Engine front side)

(I nner-bevel)

Identification mark

(Interrrupt)

(Piston size)

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