Intake Valve Guide (Over Size) by Honda

Honda UTV/ATV & Side by Side Valves & Springs - Available at buywitchdoctors.com

Product Specifications: Genuine OEM Honda Intake Valve Guide (Over Size), Part # 12237-KPG-305.

Keep your machine running like new with genuine Honda Valves & Springs paired with premium maintenance parts from buywitchdoctors.com. Intake and exhaust valves open and close in time with the camshaft to let the fuel and air mixture in and push exhaust out, while the valve springs snap each valve shut and keep it sealed against the cylinder head. Healthy valves and springs hold compression, deliver strong, smooth power, and protect the engine from misfires and burned valve seats. Riders replace valves and springs when compression drops, the engine runs rough or is hard to start, valves burn or bend from overheating or over-revving, or springs weaken after high hours and hard riding.

Why Choose Genuine OEM Honda Parts?

Choosing original equipment manufacturer (OEM) parts ensures your vehicle maintains its factory-standard performance, reliability, and fuel efficiency. Genuine parts eliminate the guesswork of aftermarket alternatives, offering a seamless integration with your engine's configuration.

• Exact-Fit Design: Matched to Honda's original bolt patterns, sealing surfaces, and dimensions for a leak-resistant fit.
• Factory-Spec Quality: Built to the same standards as the parts installed on your machine at the factory.
• Peace of Mind: Skip the trial and error of universal or aftermarket parts that may not seal or align correctly.

Premium Materials & Precision Engineering

Crafted to strict factory tolerances, these components utilize high-grade alloys and chemical-resistant seals. This specialized engineering withstands harsh off-road vibrations, extreme temperatures, and modern fuel additives, preventing premature wear and leaks. Honda valves are made from heat-resistant alloys with precision-ground faces and stems, and their springs are matched to the factory cam profile, so they seal tightly and follow the cam accurately at every RPM.

Comprehensive Model Fitment (2015-Current)

This genuine OEM part is engineered for a wide range of Honda side-by-side (SxS) and all-terrain vehicles (ATV) built from 2015 to the current model year. Please verify your series matches below:

Utility Task Vehicles (UTVs / Side-by-Sides)

• Pioneer Series: Pioneer 500, Pioneer 520, Pioneer 700, Pioneer 700-4, Pioneer 1000, Pioneer 1000-5, Pioneer 1000-6.
• Talon Series: Talon 1000R, Talon 1000X, Talon 1000X-4 (including Fox Live Valve editions).
  

All-Terrain Vehicles (ATVs)

• FourTrax Foreman: Foreman 500, Foreman 520.
• FourTrax Foreman Rubicon: Rubicon 500, Rubicon 520.
• FourTrax Rancher: Rancher 420 (All variations including DCT and EPS).
• FourTrax Recon: Recon 250.
• FourTrax Rincon / Rubicon: Rincon 680. Rubicon 700
• TRX250X Models: TRX250X Sportrax Models.
• TRX90X Models: Youth Sportrax Models.
  

⚠️ IMPORTANT DISCLAIMER: Fitment can vary by production date and sub-model trim. Always verify your exact original equipment part number from your vehicle's schematic or consult a certified technician before finalizing your purchase to guarantee flawless compatibility.

Other Popular Parts & Secondary Accessories

• Rocker Arms & Tappets: Genuine Honda rocker arms and tappets transfer motion from the camshaft to the valves. Inspect them for wear whenever you replace valves and springs, since worn rockers or tappets can throw off valve timing and clearance.
• Cams & Components: Genuine Honda camshafts and components set exactly when and how far each valve opens. Check the cam lobes and cam chain during a top-end rebuild so your new valves and springs work with a healthy cam.
  
• Pistons & Components: Genuine Honda pistons, rings, pins, and clips compress the air and fuel mixture and transfer power to the crankshaft. If a valve has dropped or bent, inspect the piston crown for damage before reassembling the engine.
• Engine Cylinders: Genuine Honda engine cylinders house the piston and form the walls of the combustion chamber. Check the cylinder bore for scoring or wear during a top-end job so your engine keeps strong compression.
• Connecting Rods & Components: Genuine Honda connecting rods link the piston to the crankshaft and carry the full force of every power stroke. Check rod bearings for play during a rebuild, especially if a valve failure caused a sudden engine stop.
• Engine Gaskets & Oil Seals: Genuine Honda engine gaskets and oil seals keep oil in and dirt out throughout the engine. Replace any seals and gaskets you disturb during a valve job to prevent leaks after reassembly.

Frequently Asked Questions (FAQs)

Q: How do I know if my valves or valve springs need to be replaced?
A: Common signs include low compression, hard starting, rough idle, backfiring, loss of power, or a ticking noise from the top end. A compression or leak-down test can show whether valves are sealing properly. Before replacing parts, check valve clearance, since out-of-spec clearance can cause similar symptoms. Follow your Honda service manual for valve inspection, clearance checks, and installation steps, and use the factory schematic to confirm the correct valves, springs, retainers, and seals for your model.

Q: How do dust, mud, water, and heat affect valves and springs?
A: Fine dust that gets past a dirty or poorly sealed air filter wears valve seats and faces, causing compression loss. Water that enters the intake during deep crossings can bend valves and damage the engine. Extreme heat and lean running can burn exhaust valves, and high RPM can weaken springs over time. Keep your air filter clean and properly sealed, avoid water deeper than your intake, and check your oil and coolant regularly to protect the top end.

PRO TIP: Learn More about Honda OEM vs. Aftermarket Parts

PRO TIP: Learn more about How to Spot a Bad Camshaft & Valves.

PRO TIP: How to Replace an ATV/UTV Engine Valve Cover Gasket

PRO TIP: A Buyer’s Guide To UTV/ATV Internal Engine Components

Are You Looking to Find Great Places & Adventurous Trails to Ride Your UTV, Side by Side or ATV? Check out these highly recommended places:

• Glade Run
• Syracuse Sand Dunes
• Boggs & Boulders
• Muddy Bottoms
• Bundy Hill Off-Road Park