Yamaha Grizzly 700 Problems And Their Solutions 

The rugged Yamaha Grizzly 700 ATV is built for off-road adventures, but even the toughest machines encounter issues. From power loss to leaking fluids, Grizzly 700 owners have reported their fair share of technical problems.

But for every mechanical headache, there is a solution to get you back on the trails. Tackling repairs head-on and making key upgrades can transform your Grizzly 700 into an unstoppable force.

Equipped with the right knowledge and a DIY determination, you can troubleshoot issues and customize your ATV to boost performance and reliability. There are solutions for the most common Yamaha Grizzly 700 problems – you just need the insight to fix them.

Yamaha Grizzly 700

Common Yamaha Grizzly 700 Problems And Their Solutions

The Yamaha Grizzly 700 is a popular ATV (All-Terrain Vehicle) known for its durability and performance. However, like any vehicle, it may experience some common problems. Here are a few issues that Grizzly 700 owners have reported, along with possible solutions:

1. Starting Problem

Yamaha Grizzly 700 owners occasionally face starting issues, commonly attributed to a faulty starter relay.

A worn or malfunctioning relay can result in a no-start condition, where the engine fails to crank despite a charged battery. This issue may manifest intermittently, causing frustration for riders attempting to ignite the ATV.

Fix: When confronted with starting problems on the Yamaha Grizzly 700, the first step is to inspect and, if necessary, replace the starter relay.

Locate the relay, typically situated near the battery or under the seat, and check for signs of corrosion, loose connections, or physical damage.

If any issues are detected, replace the relay with a new one, ensuring a secure and clean connection.

This simple fix often resolves the starting problem, allowing the ATV to reliably initiate the engine and get back on the trail.

2. Overheating Problems

Yamaha Grizzly 700 riders commonly encounter overheating issues, often stemming from a clogged or dirty radiator. The accumulation of debris on the radiator fins impedes proper airflow, resulting in insufficient cooling for the engine.

Additionally, prolonged operation in extreme conditions may cause inadequate heat dissipation, leading to elevated temperatures in the cylinder walls and potential engine damage.

Fix: To address Grizzly 700 overheating problems, start by thoroughly cleaning the radiator. Remove any dirt, mud, or debris from the radiator fins using compressed air or a soft brush.

Ensure that the coolant levels are within the recommended range and that the coolant is in good condition. Regular maintenance, including flushing and replacing the coolant as per the manufacturer’s guidelines, can prevent radiator-related overheating issues.

Additionally, consider upgrading to a high-quality coolant to enhance overall cooling efficiency, mitigating the risk of overheating and safeguarding the engine, especially the vulnerable cylinder walls.

3. Power Steering Problem

A common problem encountered in the Yamaha Grizzly 700 is power steering failure, causing riders to lose control, especially during challenging terrains.

The issue may arise due to a malfunctioning power steering motor or sensor, leading to an intermittent or complete loss of power assistance.

This compromise in steering capability poses a safety concern for riders navigating through rough trails, making it crucial to address this issue promptly.

Fix: Although the Yamaha Grizzly 700 may face power steering challenges, the best solution involves a systematic diagnostic approach. Begin by checking the power steering fluid levels to ensure they are within the recommended range.

If the levels are adequate, inspect the power steering motor, wiring, and sensors for any signs of damage or malfunction. Address any issues found during the inspection, such as replacing damaged components or sensors, to restore proper power steering functionality.

Regular maintenance checks and addressing problems promptly can help prevent common power steering issues, ensuring a safer riding experience for Grizzly 700 owners.

4.  Stalling Problem

One prevalent issue faced by Yamaha Grizzly 700 riders is engine stalling, often attributed to a range of factors.

A common culprit is a malfunctioning fuel system, encompassing components such as the fuel pump, filters, and injectors. Additionally, stalling may result from ignition system problems, including a faulty spark plug or issues with sensors.

Persistent stalling poses a significant inconvenience to riders, hindering the ATV’s performance and requiring a thorough diagnosis to identify the root cause.

Fix: As a mechanic addressing the Yamaha Grizzly 700 stalling problem, start by inspecting the fuel system. Check the fuel pump for proper functioning, examine the filters for any clogs, and ensure the injectors are delivering fuel efficiently.

Simultaneously, assess the ignition system by inspecting the spark plug and related components. If no issues are found in these areas, proceed to examine sensors that may impact engine performance.

5. Decompression Problem

Yamaha Grizzly 700 owners occasionally encounter decompression issues, commonly manifesting as difficulty starting the engine.

This problem typically arises due to a malfunctioning decompression system, which is responsible for reducing cylinder pressure during the starting process.

When the decompression system fails, excessive pressure makes it challenging for the engine to turn over, leading to persistent starting difficulties and potential wear on the starter motor.

Fix: As a mechanic addressing the Yamaha Grizzly 700 decompression problem, the key solution involves a thorough inspection of the decompression mechanism.

Start by checking the decompression release mechanism for any signs of damage, wear, or misalignment. Ensure that the decompression system components, such as the decompression lever and cable, are functioning correctly.

If any issues are identified during the inspection, promptly replace or adjust the affected parts to restore proper decompression functionality.

6.  Turns Over But Won’t Start

Yamaha Grizzly 700 owners may face the frustrating scenario where the ATV turns over but refuses to start, often linked to a malfunctioning decompression system.

In cold weather, a defective decompression mechanism causes the engine to struggle against excessive pressure during startup, leading to poor engine performance.

This issue becomes more apparent when attempting to ignite the quad, particularly in colder conditions, resulting in persistent starting challenges.

Fix (Solution): To address the Grizzly 700’s turns-over-but-won’t-start issue related to the decompression system, focus on inspecting and maintaining the decompression release components.

Check for signs of wear, misalignment, or damage in the decompression lever, cable, and associated parts.

Adjust or replace any defective components to ensure proper decompression functionality, especially in colder weather.

7. Engine Is Noisy

Yamaha Grizzly 700 riders may encounter a noisy engine, audible in both 2WD and 4WD modes. This noise often stems from the presence of debris in the intake or combustion chamber, creating undesirable sounds during operation.

The noise may become more pronounced when engaging the 4WD mode, potentially causing concern for riders and indicating a need for intervention to solve this problem.

Fix: As a mechanic addressing the noisy engine issue on the Yamaha Grizzly 700, the solution involves a comprehensive inspection of the intake and combustion chamber.

Check for any debris that may have entered these critical areas and remove it to prevent interference with the engine’s operation. Additionally, inspect the axles for signs of wear or damage, as worn-out axles can contribute to unwanted noises.

Regular maintenance, including cleaning the intake and combustion chamber, ensures a quieter engine operation in both 2WD and 4WD modes, providing Grizzly 700 owners with a smoother and more enjoyable riding experience.

8. Suspension Problem

Riders of Yamaha Grizzly 700 ATVs may encounter suspension issues, particularly noticeable through poor acceleration and handling. A common contributor to this problem is worn-out or damaged bearings within the suspension system.

Over time, these bearings may degrade, leading to decreased suspension performance, and affecting the overall stability and maneuverability of the ATV.

Fix: To address the Grizzly 700’s suspension problem related to poor acceleration and handling, a thorough inspection of the suspension components, especially the bearings, is essential.

Check for any signs of wear, play, or damage in the bearings, and replace them as needed. Lubricate the suspension components regularly to maintain optimal performance and prevent premature wear.

Upgrading to high-quality bearings can enhance the overall suspension system’s durability, ensuring a smoother ride for Yamaha Grizzly 700 owners.

9. Horrible Acceleration

One issue often observed in Yamaha ATVs involves subpar acceleration performance, and this problem can be linked to a compromised suspension system.

Worn-out or damaged suspension components, particularly bearings, may contribute to poor acceleration.

The degradation of these crucial parts hampers the ATV’s ability to absorb shocks and maintain stability, resulting in an overall reduction in acceleration efficiency.

Fix (Solution): To rectify the horrible acceleration problem associated with the suspension system, a mechanic should conduct a thorough examination of the ATV’s suspension components.

Focus on identifying worn or damaged bearings, as they play a pivotal role in maintaining smooth and responsive acceleration.

Replace any compromised bearings and ensure proper lubrication of suspension components. Upgrading to high-quality bearings can significantly enhance acceleration performance and restore the ATV’s ability to handle rough terrains more efficiently.

10. Terrible Tires Problems

A frequent challenge observed in off-road vehicles involves suboptimal tire performance, impacting the overall riding experience. When encountering terrible tire problems on an ATV, can often be related to issues within the suspension system.

Worn-out or incorrectly aligned suspension components can lead to uneven tire wear, compromised traction, and an overall decrease in handling and maneuverability.

Fix: As a mechanic addressing the terrible tire problems linked to the suspension system, a comprehensive examination is crucial.

Inspect the suspension components for wear, damage, or misalignment, paying close attention to shock absorbers, springs, and related parts. Properly align and balance the tires, ensuring an even distribution of weight on all wheels.

Regularly rotate the tires to promote uniform wear and replace them when necessary.

Upgrading to quality aftermarket suspension components may enhance overall tire performance, providing improved traction and a more enjoyable riding experience on various terrains.

11. Fuel Pump Failure

A common setback encountered in off-road vehicles relates to fuel pump failure, impacting the ATV’s overall performance. The suspension system, although seemingly unrelated, can be affected when the fuel pump malfunctions.

Fuel pump failure often leads to inconsistent engine performance, causing the ATV to experience jolts and vibrations that can be mistakenly attributed to a suspension problem.

Fix: When addressing fuel pump failure and its impact on the suspension system, a thorough inspection is imperative.

Begin by checking the fuel pump for signs of wear, damage, or insufficient fuel delivery.

Replace a faulty fuel pump promptly to restore consistent engine performance, reducing vibrations transmitted to the suspension.

12. Air Box/Filter Problem

In off-road environments, a notable issue affecting ATV performance involves air box and filter problems. In dusty conditions, the airbox tends to accumulate debris, impacting the suspension system’s performance.

The dusty environment can lead to increased wear on suspension components, diminishing their effectiveness and compromising the ATV’s handling.

Fix: When tackling air box and filter problems influencing the suspension system, prioritize regular maintenance.

Check the airbox more frequently, especially in dusty conditions, to prevent the accumulation of debris. Change the air filter and inspect the support assembly regularly.

Placing the filter correctly and changing the support assembly as needed ensures a cleaner air intake, reducing the risk of debris affecting the suspension system.

This proactive approach to airbox and filter maintenance contributes to preserving the overall health and performance of the ATV’s suspension system in challenging off-road conditions.

Frequently Asked Questions

What are common Yamaha Grizzly 700 issues?

Common problems include spongy brakes, steering column support defects, poor air filter design, and excessive noise from the two-cylinder engine.

How to solve a spongy brake feel?

Install new brake pads and use a power bleeder for proper brake system bleeding.

What if there’s grease around the steering column? A: Consult a Yamaha dealer for a potential steering column support defect.

Preventing debris in the transmission? 

Install a radiator or apply filter grease around the air filter edges.

Solution for excessive engine noise? 

Inspect muffler, piston, and valve components; consult a Yamaha dealer if needed.

Addressing poor air filter design?

Identify filter issues, prevent debris entry, and maintain and use a high-quality air filter.

Signs of a defective steering column support?

Unusual steering behavior, excessive play, and grease around the column edges.

Preventing transmission problems? 

Regular maintenance, proper grease lubrication, and avoiding mud and water exposure.

Known defects with piston and valve components?

While reported, specific defects vary; monitor engine behavior and consult a dealer if concerns arise.


The Yamaha Grizzly 700 faces common issues like spongy brakes, steering column support defects, and air filter concerns.

However, proactive maintenance, timely replacements, and adherence to recommended practices can mitigate these challenges, ensuring optimal ATV performance.

Consulting a Yamaha dealer or qualified mechanic for specific issues remains crucial, allowing owners to address concerns and maximize their off-road experiences with the Grizzly 700.

Related Posts:

Suzuki Quadmaster 500 Problems

Suzuki Eiger 400 Problems

Yamaha Kodiak 400 Problems

Bombardier Rally 200 Problems