Name: Rear Sprocket JTR857.42 Jt 520
Brand: JT
SKU: SR857-42.S

Rear Sprocket JTR857.42 Jt 520

JT
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Description

Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile.

Features

C49 high-carbon steel rears for long wear
Precision manufacturing for exact OEM fit
Broad coverage with 2,500+ motorcycle & ATV applications
Consistent power transfer and sprocket tooth profile accuracy
Engineered for durability in street, track, and off-road use

Specifications

Material: C49 high-carbon steel
Tooth count: 42
Drive chain pitch: 520
Colour: Black

Vehicle Fitment

MuZ (Road, Rear)

660 Baghira (1997-2003)
660 Mastiff (1997-2003)

Yamaha (Road, Rear)

XV125 Virago (80 Kmh Version) (1997-2001)
XVS125 Drag Star >>> 520 Chain Conversion (2000-2004)
SRV250
XV250 3LW/S,KF (1989-1994)
XV250 C G,H,J,K,L,M,N,P,R,S,T,V,W Virago Route 66 (1995-2007)
XV250 C U,W,A Route 66 (1988-1990)
XV250 C X,Y,Z,A1,B1,D1,E,F,G,H,J,K,L1 V-Star (2008-2020)
XV250 G,H,J,K,L,M,N,P,R,S,T,V,W Virago Route 66 (1995-2007)
XV250 M1 V-Star (2021)
XV250 N1 V-Star (2022)
XV250 P1 V-Star (2023)
XV250 R1 V-Star (2024)
XV250 S Virago (1995-2008)
XV250 S1 V-Star (2025)
XV250 U,W,A Route 66 (1988-1990)
XV250 V-Star (2008-2017)
XV250 X,Y,Z,A1,B1,D1,E,F,G,H,J,K,L1 V-Star (2008-2020)
XT400 4 Valve (1983-1984)
XT550 (1982-1983)
TT600 RE 5CH5 (2004)
XT600 (1983-1986)
XT600 C-L,N,S,T,U,W (1984-1989)
XT600 D,E (1987)
XT600 E (1989-1998)
XT600 E 4PT/4SL (1999-2003)
XT600 E,EC-A,B,D,E,F,G (1990-1995)
XT600 H (1987-1989)
XT600 H,N,D,E,Z Tenere (1985-1988)
XT600 K (1991-1994)
XT600 L,N,S,T,U,W (1984-1989)
XT600 Tenere (1984)
XT600 Z Tenere (1989-1994)
XTZ660 Tenere (1996-1998)
XTZ660 Tenere 3YF (1991-1995)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	XT TENERE 600	1984-1986
YAMAHA	XT TENERE 600	1989-1991
YAMAHA	XT TENERE 600	1986-1988

Rear Sprocket JTR857.42 Jt 520

JT
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- Deel
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Product form

Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and... Read more

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SKU: SR857-42.S

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Description

Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile.

Features

C49 high-carbon steel rears for long wear
Precision manufacturing for exact OEM fit
Broad coverage with 2,500+ motorcycle & ATV applications
Consistent power transfer and sprocket tooth profile accuracy
Engineered for durability in street, track, and off-road use

Specifications

Material: C49 high-carbon steel
Tooth count: 42
Drive chain pitch: 520
Colour: Black

Vehicle Fitment

MuZ (Road, Rear)

660 Baghira (1997-2003)
660 Mastiff (1997-2003)

Yamaha (Road, Rear)

XV125 Virago (80 Kmh Version) (1997-2001)
XVS125 Drag Star >>> 520 Chain Conversion (2000-2004)
SRV250
XV250 3LW/S,KF (1989-1994)
XV250 C G,H,J,K,L,M,N,P,R,S,T,V,W Virago Route 66 (1995-2007)
XV250 C U,W,A Route 66 (1988-1990)
XV250 C X,Y,Z,A1,B1,D1,E,F,G,H,J,K,L1 V-Star (2008-2020)
XV250 G,H,J,K,L,M,N,P,R,S,T,V,W Virago Route 66 (1995-2007)
XV250 M1 V-Star (2021)
XV250 N1 V-Star (2022)
XV250 P1 V-Star (2023)
XV250 R1 V-Star (2024)
XV250 S Virago (1995-2008)
XV250 S1 V-Star (2025)
XV250 U,W,A Route 66 (1988-1990)
XV250 V-Star (2008-2017)
XV250 X,Y,Z,A1,B1,D1,E,F,G,H,J,K,L1 V-Star (2008-2020)
XT400 4 Valve (1983-1984)
XT550 (1982-1983)
TT600 RE 5CH5 (2004)
XT600 (1983-1986)
XT600 C-L,N,S,T,U,W (1984-1989)
XT600 D,E (1987)
XT600 E (1989-1998)
XT600 E 4PT/4SL (1999-2003)
XT600 E,EC-A,B,D,E,F,G (1990-1995)
XT600 H (1987-1989)
XT600 H,N,D,E,Z Tenere (1985-1988)
XT600 K (1991-1994)
XT600 L,N,S,T,U,W (1984-1989)
XT600 Tenere (1984)
XT600 Z Tenere (1989-1994)
XTZ660 Tenere (1996-1998)
XTZ660 Tenere 3YF (1991-1995)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	XT TENERE 600	1984-1986
YAMAHA	XT TENERE 600	1989-1991
YAMAHA	XT TENERE 600	1986-1988

Shipping & Delivery

How long will my item take to arrive?

Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

Where do you ship to?

We currently only ship orders within the UK.

How can I track my order?

Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

Can I collect my order?

Unfortunately we do not offer order collections from our fulfilment centre.