Motorcycle Engine Mounts
Gasbox
Strong Arm Top Motor Mount for Crank Start Key Switch - 1984-1999 Harley-Davidson Big Twin Evolution
1
$74.95
Cycle Standard
Ride-On Engine Stablizer Link Kit 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
$106.96
Gasbox
Top Motor Mount - 1986-2003 Sportster - Stainless Steel - With Coil and Stock Ignition Switch Mounts
8
$49.95
Colony
#2667-22-P Lower Motor Mount Allen Bolt Kit 1999-2003 Harley-Davidson Sportster - Chrome Plated
3
$35.87
Cycle Standard
Front Motor Mount 1982-94 Harley-Davidson FXR 80-08 FLH FLT
$36.51
Lowbrow Customs
Rear Motor Mount Plates for Triumph Motorcycles - Chopper Style w/ Key Switch Hole - 1963 - 1970 Triumph
13
$74.20
Colony
#9772-22 Lower Motor Mount Allen Screw Kit 1986-1998 Harley-Davidson Sportster - Chrome Plated
1
$33.84
Cycle Standard
Engine Stabilizer Link - Chrome - 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
2
$82.08
Cycle Standard
Isolator Motor Mount - Rear - 1999-2017 Harley-Davidson Dyna
3
$135.63
Cycle Standard
Tie Link - Chrome - 2004-Up Harley-Davidson Sportsters
2
$64.48
Colony
#2313-19 Upper and Lower Motor Mount Bolt Kit 1936-1969 Harley-Davidson Big Twin - Parkerized
2
$52.45
Cycle Standard
Isolator Motor Mount - Rear - 1991-1998 Harley-Davidson Dyna
$109.89
Gasbox
Strong Arm Top Motor Mount With OEM #71425-77 Ignition Switch Mount 1948-1984 Harley Big Twins
2
$74.95
Lowbrow Customs
Rear Motor Mount Plates for Triumph Motorcycles - Chopper Style - 1963 - 1970 Triumph
13
$74.20
Colony
#2650-13 Top Motor Mount Hardware 1957-E1972 Harley-Davidson XL 1952-1972 Big Twin - Parkerized
1
$21.78
Colony
#7603-4 Lower Motor Mount Kit Acorn Nut 1936-1984 Harley-Davidson OHV Big Twins - Chrome Plated
6
$31.87
Colony
#9797-20 Front Motor Mount Kit Allen Head 1957-1985 Harley-Davidson Sportster - Chrome Plated
$59.38
Colony
#9927-28 Upper & Lower Motor Mounting Allen Kit 1984-1999 Harley-Davidson Softail - Chrome Plated
$49.25
Colony
#9928-20 Motor Mounting Allen Kit 1988-2006 Harley-Davidson FLT/FLHT/FXR/FXRS - Chrome Plated
1
$44.89
Colony
#9793-9-P Upper Motor Mount Smooth Allen Kit 1986-2003 Harley-Davidson Sportster - Chrome Plated
$13.40
Colony
#9771-8 Center Motor Mount Allen Screw Kit 1986-2003 Harley-Davidson Sportster - Chrome Plated
1
$11.90
Colony
#7604-7 Upper Motor Mount Kit Acorns Nut 1936-1984 Harley-Davidson OHV Big Twins - Chrome Plated
4
$21.52
MOTORCYCLE ENGINE MOUNTS FOR HARLEY, TRIUMPH, AND CUSTOM BUILDS
A failing engine mount is not a minor inconvenience. On a Harley-Davidson Sportster or Big Twin, the engine vibration is constant and significant. A cracked or worn mount lets that vi...
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Motorcycle Engine Mounts FAQ
Do engine mounts affect motorcycle performance?
Yes. Worn motorcycle engine mounts can allow excessive vibration to transfer through the chassis, negatively affecting handling and accelerating wear on seals, drivetrain connections, exhaust joints, and air cleaner mounts. An engine that moves excessively under load places additional stress on surrounding components. Keeping engine mounts in proper condition helps maintain overall drivetrain performance and reliability.
Can a bad engine mount damage the transmission?
Yes. Because the engine and transmission are connected through shafts and seals, excessive engine movement caused by a failed mount can create repeated lateral stress on these components. A transmission seal that continues to leak may indicate an engine mount issue that should be inspected before replacing additional parts.
What material should motorcycle engine mounts be made from?
Steel is generally the preferred material for high-vibration motorcycles such as Harley-Davidson V-twins. Compared to aluminum, steel offers greater long-term durability under constant vibration and load cycles. A quality steel engine mount that is properly installed and torqued to specification can provide significantly longer service life on motorcycles that are ridden regularly.
How often should I inspect my motorcycle engine mounts?
Inspect motorcycle engine mounts every three to four months under normal riding conditions, and always after extended trips or periods of hard use. Look for cracks in the mount body, loose fasteners, and any visible engine movement relative to the frame. Early detection of a failing mount can help prevent costly secondary damage to drivetrain and chassis components.