I found a Sportster engine for sale. What are the first things I should check or replace?

When starting with a used engine of unknown history, it's wise to at least perform a top-end refresh. This typically includes new gaskets, checking cylinder and piston tolerances, and inspecting the valve train. This gives you peace of mind and a reliable starting point.

What are the easiest ways to get more power from my stock Sportster engine?

The most common and effective "Stage 1" upgrades are improving airflow. This means installing a high-flow air cleaner and a less restrictive exhaust system. These two changes allow the engine to breathe more freely and will deliver a noticeable performance gain without ever opening up the motor itself.

I'm rebuilding my engine. How important is it to replace all the hardware?

While not always strictly necessary, it's highly recommended. Engine hardware is subject to countless heat cycles and stress, which can cause it to stretch and weaken over time. Using new, high-quality head bolts, case bolts, and other hardware ensures proper torque specs and a leak-free, reliable engine for years to come.

Engine Mounts Harley-Davidson Twin Cam Motorcycle Engine

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Cycle Standard Engine Stabilizer Link - Chrome - 1995-2017 Harley-Davidson Dyna
$90.55

Cycle Standard Ride-On Engine Stablizer Link Kit 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
$97.02

Colony #9928-20 Motor Mounting Allen Kit 1988-2006 Harley-Davidson FLT/FLHT/FXR/FXRS - Chrome Plated
1 review $44.89

Colony #2118-15 Lower Front Hex Head Motor Mount Kit 2000-Up Harley-Davidson Softail - Zinc Plated
$44.67

Colony #2485-22 Motor Mounting Kit Upper and Lower Hex 2007-Up Harley-Davidson - Chrome Plated
$50.60

Colony #2403-22 Motor Mounting Kit Upper and Lower Allen 2007-Up Harley-Davidson - Chrome Plated
$50.60

Colony #2403-22-P Upper and Lower Motor Mounting Kit Smooth Allen 2007-2008 Harley-Davidson FLT - Chrome Plated
$56.93

Colony #2709-24 Motor Mounting Kit Upper and Lower Allen 2009-Up Harley-Davidson FLT - Chrome Plated
$31.90

Colony #2709-24-P Upper and Lower Motor Mount Kit Smooth Allen 2009-Up Harley-Davidson FLT - Chrome Plated
$36.30

Colony #9935-8-P Transmission to Motor Mount Kit Smooth Allen 1999-2006 Harley-Davidson Twin Cam - Chrome Plated
$14.34

Colony #2468-8-P Transmission to Motor Mount Smooth Allen Kit 2007-Up Harley-Davidson Softail/Dyna/FLT - Chrome Plated
$14.34

Cycle Standard Isolator Motor Mount - Front - 1991-2017 Harley-Davidson Dyna
3 reviews $108.56

Cycle Standard Isolator Motor Mount - Rear - 1999-2017 Harley-Davidson Dyna
1 review $125.41

Cycle Standard Front Motor Mount 1982-94 Harley-Davidson FXR 80-08 FLH FLT
$31.61

Cycle Standard Engine Stabilizer Link - Chrome - 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
1 review $73.06

Colony #3125-14 Motor Mounting Kit 2017-Up Harley-Davidson Touring Models - Chrome Plated
$20.57

Colony #2117-15 Motor Mount Kit Smooth Hex Bolts 2000-Up Harley-Davidson Softail - Chrome Plated
$58.20

Colony #2468-8-P Transmission to Motor Mount Smooth Allen Bolt Kit 2007-Up Harley-Davidson Softail/Dyna/FLT - Chrome Plated
$11.14

Colony #2116-15 Lower Front Hex Head Motor Mount Kit 2000-Up Harley-Davidson Softail - Chrome Plated
1 review $58.20

Colony #2119-2 Smooth Motor Mount Bolt Covers 2000-Up Harley-Davidson Softail - Chrome Plated
5 reviews $25.72

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