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42 Tooth Sprocket - JTR810.42

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42 Tooth Sprocket - JTR810.42

  • Part #:
  • Mfg Part #:
  • OEM/Ref#:
MSRP: $21.95

Price: $19.76 10% off!
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Ships In 4-5 Business Days
JT Sprockets 42 Tooth Sprocket - JTR810.42
  • Maximum strength sprockets at minimum weight; front sprockets made with C45 steel and SCM415 chromoly steel alloy -- rear sprockets made with C45 high carbon steel
  • Each sprocket is heat-treated and finished by hand
  • Each sprocket is sandblasted to reduce surface tension and anodized to a beautiful satin-silk finish
  • Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry

  • At this time we are not able to specify on our website the standard tooth sizes of the sprockets or size and length of chain for your motorcycle. We will display every sprocket that fits. If you need the standard tooth size information or chain size and length, call us toll-free 800-969-7504

NOTE: Anytime you use other than the standard front/rear sprocket sizes, clearance must be checked. When converting to a smaller chain size, especially for racing, be sure to use the highest-grade O-ring chain available (heavy-duty non-O-ring acceptable for drag racing)

Included Items:

(1) 42 Tooth chrome steel rear sprocket for 428 chain

No instructions

Part #: 80531742
Mfg #: JTR810.42
Chain Size 428
Number of Teeth 42
Position Rear
Type Sprocket - Rear
Type Sprocket - Steel
Units Each
Weight 1.50 lbs
Alternate/OEM Part Number(s):
UPC Code:
Fitment for JT Sprockets 42 Tooth Sprocket - JTR810.42

Part 80531742 fits the following machines

  • GN125 1982-1983
  • GN125E 1991-1997


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