have questions?
-
Guaranteed Fitment
Always the Correct Parts
-
In-House Experts
We know our products
-
Added Value
Independent Small Business
-
48 State U.S Delivery
Free shipping on all orders
Honda
1993-2025 Honda TRX90 Engine Rebuild Service
- SKU:
- TRX90 Engine Rebuild Service-TE
- Condition:
- Refurbished
- Availability:
- Ships back in 2 to 6 weeks
- Shipping:
- Free Shipping
1993-2025 Honda TRX90 Engine Rebuild Service:
Is your TRX90 having any of these problems?
Lost compression? Bogging throttle response? Slapping or clunking engine noise? Locked-up motor?
If you're nodding yes, it's time for a rebuild.
We offer two precision-crafted services tailored to your budget and riding style — whether you're chasing trail reliability or race-day performance.
Option 1: Top End Rebuild Service (recommended for low compression, smoking, oil-loss or top-end ticking noises)
Service Includes:
- Clean, prep, disassemble top end
- Clean, inspect, and measure all top end components
- Cylinder Inspection: bore / hone (as needed)
- Cylinder Head Inspection: remove carbon build up, grind & lapp valves (as needed)
- Install New Parts
- Assemble to factory torque specs
- Set Ignition Timing & Valve Clearance
Parts Included in Top End Rebuild Service:
- (1) Genuine OEM Honda Piston
- (1) Genuine OEM Honda Piston Ring Set
- (1) Genuine OEM Honda Piston Wrist Pin
- (2) Genuine OEM Honda Piston Circlips
- (1) Vertex Top End Gasket Kit
Option 2: Complete Engine Rebuild Service (recommended for knocking noises, seized engine, worn transmission, or complete failure)
Service Includes:
- Everything from Top End Rebuild, plus:
- Complete engine disassembly
- Clean, Inspect, and measure all internal components
- Media or vapor blasting of cases, cylinder, and head
- OEM color-match paint with oven-cure finish
- Transmission and clutch inspection
- Install New Parts
- Reassembly to factory torque specs
- Set ignition timing and valve clearance
Parts Included in Complete Engine Rebuild Service:
- (1) Genuine OEM Honda Crankshaft Assembly
- (2) Genuine OEM Honda Crankshaft Bearings
- (1) Genuine OEM Honda Piston
- (1) Genuine OEM Honda Piston Ring Set
- (1) Genuine OEM Honda Piston Wrist Pin
- (2) Genuine OEM Honda Piston Circlips
- (1) Genuine OEM Honda Camshaft Chain
- (4) Genuine OEM Honda Fiber Clutch Plates
- (1) Genuine OEM Honda Top End Gasket Kit
- (1) Genuine OEM Honda Bottom End Gasket Kit with Oil Seals
Benefits
- Factory-Perfect Fitment Every part is engineered to Honda’s exact specifications, ensuring seamless integration and eliminating guesswork during assembly.
- Proven Reliability Built with the same high-quality materials trusted by Honda engineers; these components are designed to withstand the rigors of daily use and extreme conditions.
- Restored Performance & Longevity Rebuilding with genuine parts helps return your engine to its original performance levels—smooth power delivery, optimal fuel efficiency, and long-term dependability.
- Streamlined Installation No compatibility issues, no modifications needed. Genuine Honda parts are designed to work together, saving time and reducing installation errors.
- Peace of Mind Backed by Honda’s reputation for quality and consistency, you’re investing in parts that meet the highest standards—no compromises, no surprises.
Additional Info
- All pricing includes listed labor, and listed parts for each service
- Additional parts needed? You'll get a detailed estimate with NO ADDITIONAL LABOR CHARGES.
- Professionally rebuilt with precision and care
- This service is for all 1993-2025 Honda TRX90 models.
- Click here for Tips on Shipping Your Engine
- Return shipping is on us—once your engine rebuild is complete, we’ll cover the cost to ship it back to you!
Not sure what service you need?
Click here to Send Us a Message and we can help you get the correct parts and service.
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.
-
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.
-
Where is RebuiltPowerSports located?
Rural Northern Minnesota. About 100 miles south of the Canadian border.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
