Chain Tensioner - Coolster 3125, 3150 ATVs XR125 Dirt Bike

Chain Adjuster for Coolster ATVs and Dirt Bikes

This chain adjuster fits many models of atvs, dirt bikes including Coolster.  Check pictures and measurements to verify if this adjuster is the correct application for your model.

Adjuster description:

• Roller width: 38.2mm (1.50 in)
  
• Roller diameter: 37.4mm (1.47 in)
  
• Roller uses (2) 608zz bearings
• 70.5mm (2.77 in) length from center of roller to center hole that spring is around.
• Overall length of metal part of tensioner: 102.5mm (4.03 in)
  
• Shaft diameter: 7.7mm (0.30 in)
  
• Includes spring, spacer and lock nut
• Spring is included
• MGM-LA003   MGM-LA004

Known to fit Coolster 3125A-2, 3125C-2, 3125CX-2, 3125CX-3, 3150DX-2, 3150DX-4 atvs and XR-125 dirt bike.

A lot of these tensioners look very much alike.  They tend to have different roller widths and springs.   Please double check before ordering.

Shipping details:

Do you need your chain adjuster fast?  If you order before 3:00 pm CST, Monday thru Friday, your order goes out the same day.    Buy now!