2001 Ds 650 knocking on Right Side Stator

If you’re the proud owner of a 2001 Bombardier DS 650, you’ve likely enjoyed countless thrilling rides on this powerful ATV. But what happens when you start hearing a strange knocking sound coming from the right side, especially near the stator? That noise can quickly turn your excitement into frustration. Don’t worry I’ve got you covered. In this in-depth guide, we’ll explore everything you need to know about diagnosing and fixing that pesky knocking sound. From understanding what the stator does to step-by-step repair instructions, preventative maintenance tips, and even some handy tables, this article is your one-stop resource.

Written in a conversational tone, this guide is designed to be easy to follow, whether you’re a seasoned mechanic or just getting started with ATV repairs. We’ll break down complex topics into bite-sized pieces, use clear headings and lists for scannability, and even answer some common questions in a FAQ section at the end. Let’s dive in and get that DS 650 running smoothly again!

Understanding the Knocking Sound on Your DS 650

Hearing a knocking sound from the right side of your 2001 DS 650 can feel like a mystery at first. Is it serious? Can you keep riding? To solve this puzzle, we need to start with the basics: what’s making the noise, and why is it happening near the stator?

What is a Stator, Anyway?

Let’s kick things off with a quick rundown of the stator’s role. The stator is a key player in your ATV’s electrical system, tucked away on the right side of the engine in the DS 650. It’s essentially a stationary set of wire coils wrapped around a metal core. As the engine runs, a magnet on the flywheel spins around the stator, generating electricity. This power keeps your battery charged and runs essentials like the ignition system and lights.

Think of the stator as the unsung hero of your ATV it doesn’t move, but it’s critical to keeping everything else going. If something’s off with the stator or its surroundings, you might hear unusual sounds, like that knocking you’re dealing with.

Why Does the Right Side Knock?

A knocking sound near the stator isn’t random it’s a symptom of something specific going wrong. Here are the usual suspects:

• Loose Stator: Vibrations from rough rides can loosen the stator’s mounting bolts, causing it to rattle or knock against other parts.

• Worn Bearings: Bearings support moving parts like the flywheel or crankshaft. If they wear out, they can create a knocking noise as components shift.

• Flywheel Issues: The flywheel works hand-in-hand with the stator. If it’s damaged or unbalanced, it might cause vibrations that sound like knocking.

• Engine Problems: Sometimes, the noise isn’t the stator itself but an engine misfire or internal issue mimicking a knock from the right side.

• Loose Parts: Bolts, nuts, or other engine components can loosen over time, leading to a clattering or knocking sound.

Pinpointing the exact cause is our first mission. Once we know what’s behind the noise, we can fix it and get you back on the trails.

Diagnosing the Knocking Sound

Diagnosing a knocking sound isn’t about guesswork it’s about being methodical. With a few simple steps, you can figure out what’s causing the issue and decide on the best fix. Let’s walk through how to investigate.

Step 1: Visual Inspection

Start by popping the hood (or rather, removing the side cover) and taking a good look around the stator area. Here’s what to check:

1. Bolts and Fasteners: Grab a wrench and make sure all bolts holding the stator and nearby components are tight. Loose bolts are a common culprit.

2. Stator Condition: Look at the stator itself. Are there cracks, burn marks, or melted spots on the coils? These signs point to damage or overheating.

3. Flywheel Check: Peek at the flywheel while you’re in there. Any visible cracks, dents, or wobbling could mean it’s the source of the noise.

4. Bearings: Feel for excessive play in any bearings you can access. Worn bearings often make a distinct knocking or grinding sound.

A flashlight and a keen eye can reveal a lot. If everything looks solid, move on to the next step.

Step 2: Listen Closely

Sometimes, seeing isn’t enough you’ve got to hear the problem too. Here’s how to listen like a pro:

• Mechanic’s Stethoscope: This tool is like a doctor’s stethoscope for engines. Place it on different parts of the engine while it’s running to zero in on the knocking.

• Rev the Engine: Start the ATV and gently increase the throttle. Does the knocking get louder or faster? That could tie it to the stator or flywheel.

• Neutral Test: Run the engine in neutral. If the knocking persists, it’s likely not the transmission or drivetrain focus on the engine or stator area.

Combine what you see and hear, and you’ll have a solid idea of what’s going on. Maybe it’s a loose bolt, or perhaps the stator’s toast. Either way, you’re ready to fix it.

Fixing the Knocking Sound: Solutions and Repairs

Now that you’ve got a handle on what’s causing the knocking, let’s roll up our sleeves and fix it. Depending on your diagnosis, here are the most common repairs for a 2001 DS 650 with a right-side stator issue.

Replacing a Faulty Stator

If your stator is damaged or loose beyond repair, replacing it is the way to go. Don’t worry it’s a straightforward job with the right tools. Here’s how:

1. Safety First: Disconnect the battery to avoid any shocks or shorts.

2. Access the Stator: Remove the stator cover on the right side of the engine. You’ll need a socket wrench to take off the bolts.

3. Unplug Wires: Carefully disconnect the stator’s wiring harness from the electrical system.

4. Remove the Old Stator: Unscrew the mounting bolts and pull the stator out. It might take a little wiggling if it’s snug.

5. Install the New Stator: Place the new stator in position, secure it with bolts, and reconnect the wires.

6. Reassemble: Put the cover back on, reconnect the battery, and fire up the engine to test.

Quick Tip: Use a dab of thread locker on the bolts to keep them from loosening up again. Torque them to the specs in your DS 650 manual (usually around 8-10 Nm, but check to be sure).

Tightening Loose Components

If the knocking comes from loose parts, tightening them up might be all you need:

1. Locate the Culprit: During your inspection, you probably spotted some loose bolts or parts. Focus on those.

2. Torque It Down: Use a torque wrench to tighten everything to the manufacturer’s specs. Don’t overtighten you could strip the threads.

3. Check Engine Mounts: While you’re at it, make sure the engine mounts are secure. A shifting engine can cause all sorts of noises.

Fixing Engine Misfires

If the knocking turns out to be an engine misfire, here’s how to tackle it:

1. Spark Plugs: Pull the spark plugs and check them. Worn or dirty plugs can cause misfires replace them if they look rough.

2. Ignition System: Test the ignition coil and wires with a multimeter. Swap out any faulty parts.

3. Fuel System: A clogged fuel filter or dirty carburetor can mess with combustion. Clean or replace as needed.

After any repair, take the ATV for a short test ride. Listen carefully if the knocking’s gone, you’ve nailed it!

Preventative Maintenance to Avoid Future Knocks

Fixing the knocking is great, but preventing it from coming back is even better. A little routine care can save you headaches down the road. Here’s how to keep your DS 650 in top shape.

Regular Inspections

Make these checks part of your pre-ride ritual:

• Bolts and Nuts: Give them a quick once-over with a wrench before hitting the trails.

• Stator and Flywheel: Every 50 hours or so, pop the cover and look for wear or looseness.

• Listen Up: Pay attention to how the engine sounds. Catching odd noises early can prevent bigger issues.

Keep It Lubricated

Good lubrication keeps everything running smoothly:

• Engine Oil: Use the recommended oil (check your manual usually a 10W-40 synthetic) and change it every 100 hours.

• Bearings: If your stator assembly has serviceable bearings, grease them per the manufacturer’s schedule.

• Cleanliness: Keep dirt and grime out of the engine bay it can wear parts down faster.

Stick to these habits, and your DS 650 will thank you with quieter, more reliable rides.

Stator Replacement Options: A Handy Table

If you’re shopping for a new stator, here’s a comparison of popular options for the 2001 DS 650. This table breaks down compatibility, power output, cost, and warranty:

Stator Model	Compatibility	Output	Price	Warranty
OEM Bombardier Stator	2000-2007 DS 650	300W	$250	1 year
RMSTATOR Replacement	2000-2007 DS 650	300W	$150	2 years
ElectroSport Stator	2000-2005 DS 650	250W	$180	1 year
Rick’s Motorsport Stator	2000-2007 DS 650	300W	$200	Lifetime

Note: Double-check fitment for your specific year before buying. The RMSTATOR is a budget-friendly pick, while Rick’s offers peace of mind with that lifetime warranty.

ATV Maintenance Timeline

Wondering when to do what? This timeline keeps your DS 650 in peak condition:

Task	Frequency
Tighten bolts	Before every ride
Inspect stator	Every 50 hours
Change oil	Every 100 hours
Replace spark plugs	Every 200 hours
Check bearings	Every 200 hours
Full tune-up	Annually

Pro Tip: Riding in tough conditions (mud, dust, etc.)? Bump up the frequency a bit.

FAQ: Your Questions Answered

Got questions about that knocking sound? Here are some common ones with clear answers:

What causes a knocking sound in my ATV?

It could be a loose stator, worn bearings, a damaged flywheel, engine misfires, or loose parts. Check each possibility step-by-step to find the source.

How do I replace the stator on my Bombardier DS 650?

Here’s the short version:

1. Disconnect the battery.

2. Remove the stator cover.

3. Unplug the wires.

4. Swap out the old stator for a new one.

5. Reassemble and test.

What are the signs of a failing stator?

Look out for:

• Hard starting

• Dim lights

• Dead battery

• Knocking or odd noises

• Poor engine performance

Can I ride with a knocking sound?

Not a good idea. It might be minor, but it could also signal something serious that’ll get worse if ignored. Fix it first.

How often should I check my stator?

Every 50 hours of riding is a solid rule of thumb. Pair it with your regular maintenance checks.

Wrapping It Up

A knocking sound from the right side of your 2001 DS 650 doesn’t have to ruin your day. Whether it’s a loose stator, a worn bearing, or something else, you now have the tools to diagnose and fix it. With step-by-step repairs, preventative tips, and handy tables, you’re ready to tackle the issue and keep your ATV humming along.

Take your time, be thorough, and don’t hesitate to call a pro if you’re stumped. Here’s to quiet, smooth rides ahead happy trails!