Set includes 4 pistons, 4 sets of rings, 4 piston pins and clips all manufactured by JE Pistons.

Piston type: Inverted dome

NET piston volume: -15.5

Bore: 3.425 (86.99mm)

Inverted dome depth: .120 (3.05mm)

Comp. dist: 1.291 (32.79mm)

Intake: .240 (6.10mm) 13 deg

Exhaust: .187 (4.75mm) 13 deg



Groove width Land width

TOP: .040 (1.02mm) .290 (7.37mm)

2ND: .048 (1.22mm) .140 (3.56mm)

Oil: .111 (2.82mm) .090 (2.29mm)



Radial depths

Top: .144 (3.66mm)

2nd: .154 (3.91mm)

Oil: .137 (3.47mm)



Pin dia: .866 (22.00mm)

Pin length: 2.250 (57.15mm)

HookdWIRE: .063 Locks

Actual weight: 332 grams



Applications:

Yamaha Waverunner 1800 FX SHO FZR FZ 2008-2021

IMPORTANT CLEARANCE INFORMATION GUIDELINES ONLY

Set clearance to .0035 (.0889mm) Some applications require more clearance. Measure piston diameter .500 (13mm) up from bottom of skirt. CORRECT PISTON INSTALLATION IS THE RESPONSIBILITY OF THE CUSTOMER