PIAGGIO X9 Evolution 500 - Crankshaft, Connecting Rod, and Clearances

SEALING RINGS
Name Initials Cylinder Piston Play on fitting
1st Compression ring A 0.15 ÷ 0.35 0.5 </>
Middle piston ring A 0.25 ÷ 0.50 0.65 </>
Oil scraper ring A 0.25 ÷ 0.50 0.65 </>
Crankcase - crankshaft - connecting rod
Characteristic
Drive shaft / crankcase axial clearance:
0.1 - 0.5 mm (when cold)
AXIAL CLEARANCE BETWEEN CRANKSHAFT AND CONNECTING ROD
Name
Description Dimensions Initials Quantity
Transmission-side
shoulder
0.8 ± 0.025 A D= 0.20 - 0.40
Transmission-side half-
shaft
19.6 + 0.050 B D= 0.20 - 0.40
Connecting rod 22 0.10-0.15 C D= 0.20 - 0.40
Flywheel-side shoulder 13 ± 0.025 F D= 0.20 - 0.40
Flywheel-side half-shaft 19.6 +0.050 E D= 0.20 - 0.40
Complete drive shaft 63.5+0.1-0.05 G D= 0.20 - 0.40
Characteristics X9 Evolution 500
CHAR - 16