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A crankbait that doesn't run straight is a crankbait that doesn't catch fish. Learn how lures fall out of tune, why it matters, and how to fix it in minutes.
Last updated: October 2026 · By: FishUSA Staff
Fishing with an untuned crankbait is a lot like trying to eat soup with a fork — you might get a little, but it's messy, inefficient, and frustrating. Just as the right tool makes a big difference at the dinner table, having a properly tuned crankbait can make or break your day on the water.
A tuned crankbait runs straight when pulled through the water. It dives consistently in the intended direction and mimics the natural swimming action of prey. An untuned crankbait, on the other hand, may veer off to one side, wobble erratically, or fail to reach its target depth. This makes it less effective at attracting fish and can cause tangles in your fishing line or with other lures.
Several common factors can throw a crankbait out of tune:

A crankbait that doesn't run straight won't perform correctly. Instead of imitating a wounded baitfish, it looks unnatural to predators — causing nearby fish to spook rather than strike. Even worse, an erratic crankbait can interfere with other lines, especially when trolling multiple rods.
Properly tuned crankbaits allow you to:

Tuning a crankbait is quick and easy using either needle nose pliers or a purpose-built tool like the Off Shore Tackle EZ Crankbait Tuner. The process involves making small adjustments to the metal eyelet (eye-tie) where your line connects to the bait.
Tuning Tool · Crankbait
Off Shore Tackle OR40 EZ Crankbait Tuner
Purpose-built tool for precise eye-tie adjustments — gives better control than needle nose pliers and reduces the risk of over-correcting.
Shop NowAlways test your crankbait in the water before fishing to confirm it's running true.
Many anglers assume tuning is a one-time task, but lures can fall out of alignment over time. It's good practice to check your crankbaits:
Yes, and it's a common beginner mistake. If you bend the eye-tie too far in the correction direction, the bait will start veering the opposite way. The fix is to make very small adjustments — fractions of a millimeter — and test in water after each one. A purpose-built tuning tool helps prevent over-correction by giving you more tactile feedback than needle nose pliers alone.
Adding a crankbait tuning tool to your tackle box is one of the easiest ways to improve your efficiency and success on the water. Whether you're trolling for walleye or casting for bass, a properly tuned lure is essential for consistent performance.
Don't leave bites behind due to a simple mistake. Check your gear regularly, tune your crankbaits often, and fish with confidence knowing your lures are doing exactly what they're supposed to do.
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