PIAGGIO MSS X9 EVOLUTION 250 - Walbro Carburettor

Specification Desc./Quantity
Tapered pin stamping NDWA
Minimum mixture set screw initial opening ± ¼
Throttle valve spring 150 ÷ 250 g
Minimum air jet 115
Minimum jet 38
Max. jet 100
Starter air jet Ø 1.5 (body)
Starter diffuser nozzle Ø 1.5 (body)
N.B.
THE IDENTIFICATION LETTER CAN VARY WITH EACH CARBURETTOR UPDATE
Walbro
WALBRO CARBURETTOR
Specification Desc./Quantity
Tapered pin notches position from top 3
Tapered pin stamping 465
Minimum mixture set screw initial opening 3 ± 1/4
Throttle valve spring 120 g
Minimum air jet 50
Max. air jet 150
Minimum jet 34
Max. jet 118
Body stamping 7HO
Vacuum type WVF-7H*
Diffuser Ø 29 (30.3x27.0)
Starter jet 50
Starter diffuser jet 130
Starter air jet 200
Diffuser nozzle Ø 2.7
Stamping
N.B.
THE IDENTIFICATION LETTER CAN VARY WITH EACH CARBURETTOR UPDATE
Tightening Torques
REAR BRAKE
Product
Description Specifications
(°) Loctite 243 Medium-strength threadlock Apply LOCTITE 243 medium-strength
threadlock
FRONT BRAKE
Name
Torque in Nm
Oil bleed screw 8÷12
Disc tightening screw (°) 5 - 6
Brake fluid pipe-calliper fitting 16 ÷ 20
Brake fluid pump-hose fitting 16 ÷ 20
Tightening screw for calliper support to the fork 45 ÷ 55
REAR SUSPENSION
Name
Torque in Nm
Upper shock absorber clamp 33 ÷ 41
Lower shock absorber clamp 33 ÷ 41
Rear wheel axle 104 ÷ 126
FRONT SUSPENSION
Name
Torque in Nm
Fork leg screw 6 ÷ 7
MSS X9 Evolution 250 Characteristics
CHAR - 13