What is the valve clearance on a Honda?

What is the valve clearance on a Honda?

Standard valve clearance: 0.15 ± 0.04 mm (0.006 ± 0.002 in) (IN) 0.20 ± 0.04 mm (0.008 ± 0.002 in) (EX) ⑥. If adjustment is necessary, proceed as follows: a. Hold the adjusting screw using the special tool, and loosen the lock nut.

What are valve clearances?

What are valve clearances? Valve clearances on motorcycle and car engines effectively relate to the gap between the top of the valve stem and the cam that operates it. The inlet valves in the engine open to allow air and fuel into the cylinder, while the exhaust valves let the burnt gases out.

What happens if Valve clearance is too low?

Too much or too little valve clearance can result in poor performance or a rough idle because the engine can’t “breathe” normally and operate at peak efficiency. If there’s too little valve clearance, the valves won’t fully close, causing excessive heat, and the engine will lose power.

What should the compression be on a Honda gx160?

118 lbs compression is more than adequate to run this engine with no problems.

How do I check Honda valve clearance?

Measure the exhaust valves clearance by inserting a feeler gauge between the rocker arm and shim bucket. You may need to apply some pressure to the exhaust rocker to insert the feeler gauge under the rocker arm. The valve clearance should be 0.28mm-/+0.03 (0.011-/+0.001 in.).

When should I do valve clearance?

Valve clearance should only be measured when the engine is cold, taking these measurements on a hot or recently ran engine will not be accurate. Now that we know a little bit about valve clearances, lets talk about the signs your motorcycle will give you when its time to adjust the valves.

How much does it cost to adjust valves on a four wheeler?

How much does an ATV valve job or adjustment cost. You should expect to pay about $100-250 for either. If you want to do it yourself, a set of valve’s will only cost you $5-15 on Amazon or cycle-parts.com, but you may need a shim kit as well, which could run $50-70 (shim kit is reusable).

When should I adjust my ATV valve?

— Keeping your ATV running strongly requires routine maintenance, and adjusting your valves is a part of that. On most machines, valves will only need to be checked and adjusted every few months, but on high-performance ATVs, you should check them every three to four oil changes.