WISECO titanium Intake Valve for SUZUKI RMZ 250 2010-2027

On SUZUKI RMZ 250 from 2010 to 2027, the WISECO titane WVIT041 intake valve fits in place of the original part. On a motocross four-stroke, the intake valves work at very high revs. When the valve clearance keeps closing up, it's often because the valve and its seat have worn.

Key features

• Precision-machined titanium valve that fits to original dimensions.

Specifications

• Brand: WISECO
• Manufacturer part number: WVIT041
• Weight: 140 g
• Engine: 4-stroke

When to replace it?

• Valve clearance closing up from one check to the next.
• Hard hot starting, loss of compression.
• Marked valve face or cupped valve when removed.

As soon as the valve clearance no longer holds between two checks. Always replace the valves on the same side together and have the seats recut.

Fitting tips

1. Have the valve seats recut and check the guides.
2. Don't lap a coated titanium valve with grinding paste: it would destroy the coating.
3. Fit new valve stem seals and check the springs.
4. Set the valve clearance with valve shims if needed, then check it again after the first few hours.
5. Refit with a valve cover gasket in good condition.

Why WISECO?

Wiseco forges and machines its pistons in Mentor, Ohio (USA), using forging tooling made in-house. A benchmark for forged motorcycle parts, the brand also produces valves, clutch baskets and clutch plates.

Spare parts and items to plan

• Valve stem seals : ATHENA P400210420752 · ATHENA M739000ML0720
• Valve shims : PROX · HOT CAMS
• Valve cover gasket : ATHENA S410510015042 · ATHENA S410250015039

Frequently asked questions

Do both valves need replacing?
Yes, intake valves are usually replaced as a pair to keep the engine running evenly.

Titanium or steel?
Titanium is much lighter: the valve train copes better with high revs. Steel is more tolerant of wear and is perfectly suited to leisure riding; don't mix the two materials without following the manufacturer's recommendations (springs).

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
SUZUKI RMZ 250 2027
SUZUKI RMZ 250 2026
SUZUKI RMZ 250 2025
SUZUKI RMZ 250 2024
SUZUKI RMZ 250 2023
SUZUKI RMZ 250 2022
SUZUKI RMZ 250 2021
SUZUKI RMZ 250 2020
SUZUKI RMZ 250 2019
SUZUKI RMZ 250 2018
SUZUKI RMZ 250 2017
SUZUKI RMZ 250 2016
SUZUKI RMZ 250 2015
SUZUKI RMZ 250 2014
SUZUKI RMZ 250 2013
SUZUKI RMZ 250 2012
SUZUKI RMZ 250 2011
SUZUKI RMZ 250 2010