Flywheel Screw 4.8 TC8 – Factory-grade Flywheel Fastener
Flywheel Screw 4.8 TC8 – Factory-grade Flywheel Fastener

Spec Screw 4.8 TC 8 Flywheel

BETA
31.73000.000
Last items in stock
€0.65
Tax included

Flywheel screw reference, 4.8 grade, Torx TC8, engineered for reliable engine flywheel fastening on supported Beta models. Factory-grade quality ensures perfect compatibility and durable reliability.

 

High-precision flywheel fastening screw designed to provide a secure fit for the crankflywheel on compatible Beta motorcycles. Key features: steel grade 4.8, Torx TC8 drive, and factory-grade reliability. This original-equipment part delivers perfect compatibility and long-term durability across Beta Enduro and Motard lines.

  • Solid material and corrosion-resistant finish
  • Easy replacement with common workshop tools
  • Extensive compatibility across Beta 2T/4T ranges (2024-2026)
  • Reference: 31.73000.000
This product fit the following bike:


2026
BETA ENDURO RR 125 2T RACE
BETA ENDURO RR 125 2T X-PRO
BETA ENDURO RR 200 2T RACE
BETA ENDURO RR 200 2T X-PRO
BETA ENDURO RR 250 2T X-PRO
BETA ENDURO XTRAINER 250 2T
BETA ENDURO RR 250 2T RACE
BETA ENDURO XTRAINER 300 2T
BETA ENDURO RR 300 2T X-PRO
BETA ENDURO RR 300 2T RACE
BETA ENDURO RR 350 4T X-PRO
BETA ENDURO RR 350 4T RACE
BETA ENDURO RR 390 4T X-PRO
BETA ENDURO RR 390 4T RACE
BETA ENDURO RR 430 4T X-PRO
BETA ENDURO RR 430 4T RACE
BETA ENDURO RR 480 4T RACE
BETA ENDURO RR 480 4T X-PRO

2025
BETA MOTARD WHITE RR 50 2T SPORT
BETA MOTARD BLACK RR 50 2T SPORT
BETA MOTARD RR 2T 50 X GREY
BETA MOTARD WHITE RR 50 2T
BETA MOTARD BLACK RR 50 2T
BETA MOTARD BLACK RR 50 2T SPORT LS
BETA MOTARD BLUE RR 50 2T TRACK
BETA MOTARD BLACK RR 50 2T TRACK
BETA ENDURO WHITE RR 50 2T
BETA ENDURO RED RR 50 2T
BETA ENDURO WHITE RR 50 2T SPORT
BETA ENDURO RED RR 50 2T SPORT
BETA ENDURO RR 50 2T RACE
BETA MOTARD RR 125 4T R
BETA MOTARD X RR 125 4T T
BETA MOTARD RED RR 125 4T T
BETA MOTARD BLACK RR 125 4T T
BETA ENDURO X RR 125 4T T
BETA ENDURO RED RR 125 4T T
BETA TRIAL EVO 125 2T
BETA TRIAL EVO 125 2T FACTORY
BETA ENDURO RR 125 2T X-PRO
BETA MOTARD BLACK RR 125 4T R
BETA ENDURO RR 125 2T RACE
BETA ENDURO WHITE RR 125 4T T
BETA ENDURO BLACK RR 125 4T T
BETA ENDURO RED RR 125 4T T
BETA ENDURO BLACK RR 125 4T T
BETA ENDURO RR 200 2T X-PRO
BETA ENDURO RR 200 2T RACE
BETA ENDURO XTRAINER 250 2T
BETA TRIAL EVO 250 2T FACTORY
BETA ENDURO XTRAINER 250 2T
BETA TRIAL EVO 250 2T
BETA ENDURO RR 250 2T RACE
BETA ENDURO RR 250 2T X-PRO
BETA ENDURO RR 300 2T X-PRO
BETA TRIAL EVO 300 4T FACTORY
BETA TRIAL EVO 300 2T FACTORY
BETA ENDURO RR 300 2T RACE
BETA ENDURO XTRAINER 300 2T
BETA ENDURO XTRAINER 300 2T
BETA TRIAL EVO 300 2T
BETA TRIAL EVO 300 2T SS
BETA TRIAL EVO 300 4T
BETA ENDURO RR 350 4T X-PRO
BETA ENDURO RR 350 4T RACE
BETA ENDURO RR 390 4T X-PRO
BETA ENDURO RR 390 4T RACE
BETA ENDURO RR 430 4T X-PRO
BETA ENDURO RR 430 4T RACE
BETA ENDURO RR 480 4T RACE
BETA ENDURO RR 480 4T X-PRO

2024
BETA MOTARD BLACK RR 50 2T SPORT LS
BETA MOTARD RR 2T 50 X GREY
BETA MOTARD BLUE RR 50 2T TRACK
BETA MOTARD BLACK RR 125 4T T
BETA ENDURO RR 125 4T R
BETA MOTARD RR 125 4T R
BETA TRIAL EVO 125 2T
BETA MOTARD RED RR 125 4T T
BETA ENDURO RR 125 2T RACING
BETA ENDURO RR 125 2T
BETA TRIAL EVO 125 2T FACTORY
BETA ENDURO RR 4T 125 T X GREY
BETA MOTARD RR 4T 125 T X GREY
BETA ALP WHITE ALP 200 4T
BETA ALP RED ALP 200 4T
BETA ENDURO RR 200 2T RACING
BETA ENDURO RR 200 2T
BETA ENDURO RR 250 2T
BETA TRIAL EVO 250 2T FACTORY
BETA ENDURO RR 250 2T RACING
BETA TRIAL EVO 250 2T
BETA ENDURO XTRAINER 250 2T
BETA TRIAL EVO 300 2T SS
BETA ENDURO RR 300 2T
BETA TRIAL EVO 300 2T
BETA ENDURO XTRAINER 300 2T
BETA TRIAL EVO 300 4T
BETA TRIAL EVO 300 2T FACTORY
BETA TRIAL EVO 300 4T FACTORY
BETA ENDURO RR 300 2T RACING
BETA ENDURO RR 350 4T
BETA ENDURO RR 350 4T RACING
BETA ENDURO RR 390 4T
BETA ENDURO RR 390 4T RACING
BETA ENDURO RR 430 4T RACING
BETA ENDURO RR 430 4T
BETA ENDURO RR 480 4T
BETA ENDURO RR 480 4T RACING

2023
BETA MOTARD BLACK RR 50 2T
BETA MOTARD BLACK RR 50 SPORT 2T
BETA MOTARD WHITE RR 50 TRACK 2T
BETA ENDURO WHITE RR 50 SPORT 2T
BETA ENDURO RED RR 50 RACING 2T
BETA MOTARD BLACK RR 50 TRACK 2T
BETA MOTARD WHITE RR 50 2T
BETA ENDURO WHITE RR 50 2T
BETA ENDURO RED RR 50 2T
BETA ENDURO RED RR 50 SPORT 2T
BETA ENDURO RR 125 2T RACING
BETA ENDURO WHITE RR 125 4T T
BETA MOTARD BLACK RR 125 4T T
BETA ENDURO BLACK RR 125 4T T
BETA MOTARD RR 125 4T R LC
BETA ENDURO RED RR 125 4T T
BETA ENDURO RR 125 2T
BETA TRIAL EVO 125 2T
BETA ENDURO RR 200 2T RACING
BETA ENDURO RR 200 2T
BETA ENDURO XTRAINER 250 2T
BETA ENDURO RR 250 2T RACING
BETA ENDURO RR 250 2T
BETA TRIAL EVO 250 2T
BETA TRIAL EVO 250 2T FACTORY
BETA TRIAL EVO 300 2T
BETA TRIAL EVO 300 2T SS
BETA ENDURO XTRAINER 300 2T
BETA ENDURO RR 300 2T
BETA ENDURO RR 300 2T RACING
BETA TRIAL EVO 300 4T FACTORY
BETA TRIAL EVO 300 4T
BETA ENDURO RR 350 4T RACING
BETA ENDURO RR 350 4T
BETA ENDURO RR 390 4T
BETA ENDURO RR 390 4T RACING
BETA ENDURO RR 430 4T
BETA ENDURO RR 430 4T RACING
BETA ENDURO RR 480 4T RACING
BETA ENDURO RR 480 4T

2022
BETA TRIAL EVO 125 2T
BETA TRIAL EVO 125 2T FACTORY
BETA ENDURO RR 125 2T
BETA ENDURO RR 125 2T RACING
BETA ENDURO RR 200 2T
BETA ENDURO RR 200 2T RACING
BETA ALP WHITE ALP 200 4T
BETA ALP RED ALP 200 4T
BETA TRIAL EVO 250 2T FACTORY
BETA ENDURO RR 250 2T RACING
BETA TRIAL EVO 250 2T
BETA ENDURO RR 250 2T
BETA TRIAL EVO 300 2T
BETA TRIAL EVO 300 2T SS
BETA ENDURO RR 300 2T
BETA ENDURO RR 300 2T RACING
BETA TRIAL EVO 300 4T
BETA TRIAL EVO 300 4T FACTORY
BETA TRIAL EVO 300 2T FACTORY
BETA ENDURO RR 350 4T
BETA ENDURO RR 350 4T RACING
BETA ENDURO RR 390 4T RACING
BETA ENDURO RR 390 4T
BETA ENDURO RR 430 4T RACING
BETA ENDURO RR 430 4T
BETA ENDURO RR 480 4T RACING
BETA ENDURO RR 480 4T

2021
BETA MOTARD BLACK RR 50 TRACK
BETA MOTARD WHITE RR 50 TRACK
BETA ENDURO RED RR 50 SPORT
BETA ENDURO WHITE RR 50 SPORT
BETA ENDURO RED RR 50
BETA ENDURO WHITE RR 50
BETA ENDURO RR 50 2T RACING
BETA MOTARD WHITE RR 50
BETA MOTARD BLACK RR 50
BETA MOTARD WHITE RR 50 SPORT
BETA MOTARD BLACK RR 50 SPORT
BETA ENDURO RR 125 2T RACING
BETA ENDURO RR 125 2T
BETA TRIAL EVO 125 2T
BETA TRIAL EVO 125 2T FACTORY
BETA ENDURO WHITE RR 125 4T LC
BETA ENDURO BLACK RR 125 4T LC
BETA ENDURO RED RR 125 4T LC
BETA MOTARD WHITE RR 125 4T LC
BETA MOTARD BLACK RR 125 4T LC
BETA ALP RED ALP 200 4T
BETA ENDURO RR 200 2T RACING
BETA ALP WHITE ALP 200 4T
BETA ENDURO RR 200 2T
BETA TRIAL EVO 250 2T FACTORY
BETA TRIAL EVO 250 2T
BETA ENDURO RR 250 2T RACING
BETA ENDURO RR 250 2T
BETA TRIAL EVO 300 2T SS
BETA TRIAL EVO 300 4T FACTORY
BETA TRIAL EVO 300 2T
BETA ENDURO RR 300 2T
BETA TRIAL EVO 300 4T
BETA ENDURO RR 300 2T RACING
BETA TRIAL EVO 300 2T FACTORY
BETA ENDURO RR-S 350 4T
BETA ENDURO RR 350 4T RACING
BETA ENDURO RR 350 4T
BETA ENDURO RR 390 4T
BETA ENDURO RR-S 390 4T
BETA ENDURO RR 390 4T RACING
BETA ENDURO RR-S 430 4T
BETA ENDURO RR 430 4T RACING
BETA ENDURO RR 430 4T
BETA ENDURO RR 480 4T
BETA ENDURO RR 480 4T RACING
BETA ENDURO RR-S 500 4T

2020
BETA MOTARD WHITE RR 50 2T
BETA MOTARD BLACK RR 50 2T
BETA MOTARD BLACK RR 50 2T SPORT
BETA MOTARD WHITE RR 50 2T SPORT
BETA MOTARD BLACK RR 50 2T TRACK
BETA MOTARD RR 50 2T TRACK R
BETA MOTARD WHITE RR 50 2T TRACK
BETA ENDURO RED RR 50 2T
BETA ENDURO WHITE RR 50 2T
BETA ENDURO RED RR 50 2T SPORT
BETA ENDURO WHITE RR 50 2T SPORT
BETA ENDURO RR 50 2T RACING
BETA ENDURO RR 125 2T RACING
BETA ENDURO RR 125 2T
BETA TRIAL EVO 125 2T
BETA TRIAL EVO 125 2T FACTORY
BETA ALP WHITE ALP 200 4T
BETA ENDURO RR 200 2T
BETA ALP RED ALP 200 4T
BETA ENDURO RR 250 2T RACING
BETA TRIAL EVO 250 2T FACTORY
BETA TRIAL EVO 250 2T
BETA ENDURO RR 250 2T
BETA ENDURO RR 300 2T
BETA TRIAL EVO 300 2T SS
BETA TRIAL EVO 300 4T
BETA ENDURO RR 300 2T RACING
BETA TRIAL EVO 300 2T
BETA TRIAL EVO 300 2T FACTORY
BETA TRIAL EVO 300 4T FACTORY
BETA ENDURO RR 350 4T RACING
BETA ENDURO RR 350 4T
BETA ENDURO RR 390 4T RACING
BETA ENDURO RR 390 4T
BETA ENDURO RR 430 4T RACING
BETA ENDURO RR 430 4T
BETA ENDURO RR 480 4T
BETA ENDURO RR 480 4T RACING

2019
BETA MOTARD RR 50 2T TRACK R
BETA MOTARD RR 50 2T SPORT MY19
BETA MOTARD RR 50 2T TRACK MY19
BETA MOTARD RR 50 2T MY19
BETA ENDURO RR 50 2T SPORT MY19
BETA ENDURO RR 50 2T RACING MY19
BETA ENDURO RR 50 2T MY19
BETA TRIAL EVO 125 2T MY19
BETA TRIAL EVO 125 2T FACTORY MY19
BETA TRIAL EVO 250 2T FACTORY MY19
BETA TRIAL EVO 250 2T MY19
BETA TRIAL EVO 300 2T SS MY19
BETA TRIAL EVO 300 4T MY19
BETA TRIAL EVO 300 2T FACTORY MY19
BETA TRIAL EVO 300 2T MY19
BETA TRIAL EVO 300 4T FACTORY

2018
BETA ENDURO RR 50 2T SPORT MY18
BETA MOTARD RR 50 2T TRACK MY18
BETA MOTARD RR 50 2T SPORT MY18
BETA ENDURO RR 50 2T MY18
BETA MOTARD RR 50 2T MY18
BETA ENDURO RR 50 2T RACING MY18
BETA TRIAL EVO 125 2T FACTORY MY18
BETA TRIAL EVO 125 2T MY18
BETA ALP 200 4T MY18
BETA TRIAL EVO 250 2T FACTORY MY18
BETA TRIAL EVO 250 4T MY18
BETA TRIAL EVO 250 2T MY18
BETA TRIAL EVO 300 2T FACTORY MY18
BETA TRIAL EVO 300 4T MY18
BETA TRIAL EVO 300 2T SS MY18
BETA TRIAL EVO 300 4T FACTORY MY18
BETA TRIAL EVO 300 2T MY18
BETA ALP 4.0 350 4T MY18

2017
BETA MOTARD RR 50 2T TRACK MY17
BETA ENDURO RR 50 2T RACING MY17
BETA MOTARD RR 50 2T MY17
BETA ENDURO RR 50 2T SPORT MY17
BETA MOTARD RR 50 2T SPORT MY17
BETA ENDURO RR 50 2T MY17
BETA TRIAL EVO 125 2T MY17
BETA TRIAL EVO 125 2T FACTORY MY17
BETA TRIAL EVO 250 4T MY17
BETA TRIAL EVO 250 2T MY17
BETA TRIAL EVO 250 2T FACTORY MY17
BETA TRIAL EVO 300 4T MY17
BETA TRIAL EVO 300 2T MY17
BETA TRIAL EVO 300 2T SS MY17
BETA TRIAL EVO 300 2T FACTORY MY17
BETA TRIAL EVO 300 4T FACTORY MY17

2016
BETA ENDURO RR 50 RACING MY16
BETA MOTARD RR 50 MY16
BETA ENDURO RR 50 SPORT MY16
BETA ENDURO RR 50 MY16
BETA MOTARD RR 50 TRACK MY16
BETA MOTARD RR 50 SPORT MY16
BETA ENDURO RE 125 MY16
BETA ENDURO RR 125 MY16
BETA TRIAL EVO 250 4T MY16
BETA TRIAL EVO 300 4T FACTORY MY16
BETA TRIAL EVO 300 4T MY16

2015
BETA TRIAL EVO 250 4T MY15
BETA TRIAL EVO 300 4T MY15

2014
BETA TRIAL EVO 250 4T MY14
BETA TRIAL EVO 300 4T MY14

2013
BETA SCOOTER ARK 50 LC MY13
BETA TRIAL EVO 250 4T MY12-MY13
BETA TRIAL EVO 300 4T MY12-MY13

2012
BETA TRIAL EVO 250 4T MY12-MY13
BETA TRIAL EVO 300 4T MY12-MY13

2011
BETA SCOOTER ARK 50 LC MY07-MY11
BETA SCOOTER ARK 50 LC MY07-MY11
BETA TRIAL EVO 250 4T MY11
BETA TRIAL EVO 300 4T MY11

2010
BETA SCOOTER ARK 50 LC MY07-MY11
BETA SCOOTER ARK 50 LC MY07-MY11
BETA TRIAL EVO 250 4T MY10
BETA TRIAL EVO 300 4T MY10

2009
BETA SCOOTER ARK 50 LC MY07-MY11
BETA SCOOTER ARK 50 LC MY07-MY11
BETA TRIAL EVO 250 4T MY09
BETA TRIAL EVO 300 4T MY09

2008
BETA SCOOTER ARK 50 LC MY07-MY11
BETA SCOOTER ARK 50 LC MY07-MY11
BETA TRIAL REV 125 MY08
BETA TRIAL REV 200 MY08
BETA TRIAL REV 250 MY08
BETA TRIAL REV 250 4T MY08
BETA TRIAL REV 270 MY08

2007
BETA SCOOTER ARK 50 LC MY07-MY11
BETA SCOOTER ARK 50 LC MY07-MY11
BETA TRIAL REV 125 MY07
BETA TRIAL REV 200 MY07
BETA TRIAL REV 250 MY07
BETA TRIAL REV 250 4T MY07
BETA TRIAL REV 270 MY07

2006
BETA TRIAL REV 125 MY06
BETA TRIAL REV 200 MY06
BETA TRIAL REV 250 MY06
BETA TRIAL REV 270 MY06

2005
BETA TRIAL REV 125 MY05
BETA TRIAL REV 200 MY05
BETA TRIAL REV 250 MY05
BETA TRIAL REV 270 MY05

2004
BETA TRIAL REV 250 MY04
BETA TRIAL REV 270 MY04


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