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Yamaha
1987-2004 Yamaha Warrior 350 Engine Rebuild Kit by Wiseco
- SKU:
- PWR137-830-WA
- Condition:
- New
- Availability:
- Estimated delivery: 5–7 business days
- Shipping:
- Free Shipping
1987-2004 Yamaha Warrior 350 Engine Rebuild Kit
Revive your Yamaha Warrior 350 with a complete, high-quality Wiseco Engine Rebuild Kit. This all-in-one kit delivers precision-engineered components from top end to bottom end, restoring factory performance. Designed exclusively for all Yamaha Warrior 350 models from 1987 through 2004. This "all-in-the-box" solution delivers OEM-Grade performance and durability, trusted by riders and racers worldwide.
Parts Included:
- (1) Wiseco Crankshaft Assembly
- (2) Wiseco Crankshaft Bearings
- (1) Wiseco Forged Series Piston
- (1) Wiseco Piston Ring Set
- (1) Wiseco Piston Wrist Pin
- (2) Wiseco Piston Circlips
- (1) Wiseco Camshaft Chain
- (1) Wiseco Top End Gasket Kit
- (1) Wiseco Bottom End Gasket Kit with Oil Seals
- (1) Maxima Assembly Lube
- (1) Hour Meter with Mounting Bracket and Decal
- Includes Wiseco Limited Warranty
Benefits
- Precision OEM Fit: Each component matches factory tolerances for a hassle-free rebuild
- Superior Durability: Heavy-duty materials stand up to off-road heat and stress
- Restored Power & Efficiency: Balanced assembly promotes consistent power delivery and reliability
- Time-Saving Completeness: All necessary parts in one package eliminate back-and-forth ordering
- Cost Savings: Wiseco Engine Rebuild Kits can save you hundreds of dollars versus the same OEM Parts
Compatibility & Service Option
This kit fits every Yamaha YFM350 Warrior model from 1987 to 2004, making it perfect for enthusiasts, racers, and mechanics aiming for reliable, long-lasting engine performance. Ready to bring your Warrior back to life? This kit has everything you need—"just add wrench time."
Select Your Size Piston Kit from Std Bore Size, 1st Oversize, or 2nd Oversize.
*Cylinder Boring Required for Oversize Pistons*.
Engine lost compression? Burning Oil? Top end making noises? Bring your engine back to life with a fresh bore and hone.
Click here for our Yamaha Warrior 350 Cylinder Boring Service
Unsure how to build your engine? Let us do it for you.
Click here for our Yamaha Warrior 350 Engine Rebuild Service and get your machine professionally rebuilt.
Shipping
Orders process the next business day. Please allow 5–7 business days for delivery. We’ll send you tracking info as soon as your order ships! You may also log into your account for updates to your order.
Return Policy
We must be notified within 48 hours of receiving your package of any damage caused during shipping. NO Returns on Any Installed Parts. NO Returns on Tires. NO Returns after 14 days. See our full shipping and return policy here. https://rebuiltpowersports.com/shipping-and-returns/
Products are guaranteed to fit for the model and model years described. Part numbers have been superceded to the most updated part numbers from the manufacturer. All incoming parts from manufacturers and out going parts to customers are 100% inspected for manufacturer defects, damage or missing items before shipping to customers.
Here are some questions and answers to help you along the way.
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How long will it take to get my order?
Many factors contribute to shipping. Usually it takes about a week from time of order until the customer receives the order. But carriers do have delays due to weather and other events beyond our control.
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Where is RebuiltPowerSports located?
Rural Northern Minnesota. About 100 miles south of the Canadian border.
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Do I have to pay Tax on my order?
Only customers from Minnesota pay Tax. When you enter your zip code at time of checkout, the tax will be added if necessary.
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Do you have parts for other kinds of vehicles?
We have parts and do engine work for Honda, Yamaha, Suzuki, Kawasaki, and Polaris. ATV's , Side by Side's , and Dirt Bikes.
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What kind of engine work do you do?
We do CNC cylinder boring-honing, cylinder sleeving, cylinder plating, crankshaft rebuilding, cylinder head rebuilding, complete engine rebuilding, and full engine restorations.
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What if some parts are no longer available or too old?
We have partners that still have many Vintage NOS Parts for a lot of models back to about 1966.
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Do you offer Free Shipping?
YES. We offer Free Shipping on all parts orders. We will also pay the return shipping for you on most repair services.
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What is the turn around time to bore my cylinder?
After we receive your cylinder, it will take about 2 weeks to get it back to you, unless more repair is needed. We can also supply you with a New Piston Kit & Gasket Kit.
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How come I dont see my parts listed I need?
With millions of parts available, it is very hard to list everything. We add new parts and engine repair services to models every day. If you dont see something you need, use our Contact Us page and send us a message. We answer emails 24/7. You will get a reply within 24 hours.