Hipa 2 Packs CPR7EA-9 Spark Plug for Yamaha ATV GRIZZLY KODIAK RHINO VIKING 700 YFM700 YXR700 Scooter MORPHOUS Motorcycle XVS950 V STAR 950

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Free Shipping on US Orders

How long does delivery take?
3-7 business days.

What countries do you ship to?
US , CA and Mexico, only US with free shipping.
While we need to charge $4.99 shipping fee for the following US areas:
1. Alaska
2. Hawaii
3. Puerto Rico

Thank you for your understanding.

Returns Policy

1 Year Warranty


Hipa guarantees any products will be defect-free (material and workmanship) under normal use and service for ONE YEAR. For any manufacturing quality problems, we will offer you a replacement within one year of receipt of your original purchase.

30-Day Returns Policy


We have a 30-day returns policy, which means you have 30 days after receiving your item to request a return. If you need to return a product purchased online from Hipastore.com, here is what you need to know:

Items shipped from Hipastore.com can be returned within 30 days of receipt of shipment for a full refund. (Original shipping fees are not refundable.)

To start a return, you can contact us at service@hipastore.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. You can always contact us for any return questions at service@hipastore.com.

1."How often to change spark plugs?"

A:"General Guideline: For most lawnmowers, it's recommended to change the spark plug every 100 to 200 hours of operation, or about once a season (annually), whichever comes first.
Frequent Use: If you use your lawnmower regularly or in tough conditions (like mowing tall grass or working on rough terrain), you might need to replace the spark plug more often, potentially every 50 to 100 hours.
Specific Recommendations: Always check your lawnmower’s user manual for the manufacturer’s recommended spark plug replacement interval, as it can vary based on the make and model."

2."How to know if spark plug is bad and change it?"

A:"Here are key signs that indicate a spark plug may be faulty:
Engine Misfires: If the engine misfires or has trouble starting, it could be a sign of a bad spark plug.
Rough Idling: If the engine runs roughly at idle, it may be due to a worn spark plug that isn't firing correctly.
Poor Acceleration: A bad spark plug can cause sluggish acceleration or hesitation when you press the gas pedal.
Reduced Fuel Efficiency: Worn spark plugs can lead to poor fuel combustion, resulting in decreased fuel economy.
Check Engine Light: If the spark plug is failing, the engine control unit (ECU) may detect the issue and trigger the check engine light.
Excessive Carbon Buildup: A visual inspection of the spark plug can reveal signs of carbon buildup, which may indicate a problem.
If you experience any of these symptoms, it's important to inspect or replace the spark plugs to prevent further engine damage and maintain optimal performance."

3."How to gap spark plugs?"

A:"Tools Needed: Use a feeler gauge or a spark plug gap tool to measure and adjust the gap.
Check the Gap: Always refer to your vehicle’s manual for the correct gap specification.
Adjusting the Gap:
If the gap is too wide, gently tap the side electrode on a hard surface to close it slightly.
If the gap is too narrow, use the tool to gently widen it by pulling on the side electrode.
Re-check the Gap: After adjustment, re-measure to ensure the correct gap.
Properly gapped spark plugs contribute to smoother engine operation, better fuel efficiency, and improved ignition. "

4."How to clean a spark plug?"

A:"Remove the Spark Plug: Use a socket wrench to carefully remove the spark plug from the engine.
Inspect the Spark Plug: Check for any visible signs of damage, excessive wear, or corrosion. If the spark plug is severely damaged, it may need to be replaced.
Clean with a Wire Brush: Use a wire brush to gently remove carbon buildup and debris from the spark plug’s electrodes. Be careful not to damage the plug.
Use a Spark Plug Cleaner (Optional): You can use a spark plug cleaner tool or a sandblaster to clean the plug more effectively.
Check the Gap: After cleaning, ensure the spark plug’s gap is correct using a feeler gauge or gap tool.
Reinstall the Spark Plug: Once cleaned and checked, reinstall the spark plug back into the engine, ensuring it is torqued properly.
Cleaning a spark plug can improve engine performance and prevent misfires, but it’s important to clean it carefully and replace it if it’s too worn or damaged. "

5."How to test spark plug?"

A:"Spark Test:
Reconnect the spark plug to the ignition coil or wire. Ground the metal part of the spark plug against a metal surface (like the engine block).
Crank the engine and observe if there’s a blue, strong spark at the electrode. A weak or no spark indicates the spark plug is faulty. Compression Test: If you suspect poor spark plug performance, a compression test can help identify engine issues that may affect spark plug function.
Use a Spark Plug Tester: A spark plug tester can help you check if the spark plug is firing correctly. Attach the tester between the spark plug and the wire, and check for a consistent spark when the engine is cranked.
Check Spark Plug Gap: Use a feeler gauge to measure the gap between the spark plug electrodes. An incorrect gap can cause poor performance, and adjusting it can improve spark plug function."

6."Why is there oil on my spark plugs?"

A:"Worn Piston Rings: If the piston rings are worn or damaged, oil can leak into the combustion chamber, causing it to burn along with the air-fuel mixture. This results in oil deposits on the spark plugs.
Faulty Valve Seals: Worn or damaged valve seals can allow oil to seep into the combustion chamber, leading to oil fouling on the spark plugs. This typically results in blue smoke from the exhaust.
Overfilled Oil: If the engine oil level is too high, it can cause excessive pressure in the crankcase, pushing oil into the combustion chamber and onto the spark plugs.
PCV Valve Issues: A malfunctioning Positive Crankcase Ventilation (PCV) valve can lead to excessive oil vapor being drawn into the intake system, which can coat the spark plugs with oil.
Oil Leaks: Leaks in the engine, such as from the valve cover gasket or other seals, can allow oil to seep into areas where it shouldn't be, including around the spark plugs."