CG125 motorcycle valve tube cylinder head valve guide sleeve is suitable for engine valve parts of 125 jacking rod machine

CG125 motorcycle valve tube, the outer diameter, length and CG125 cylinder head valve hole, valve rod completely match, suitable for Honda CG125, Pearl River 125 and other 125cc jacking rod locomotive type, directly replace the original tube, without ream modification; Made of alloy cast iron, the surface is finely polished, and the friction coefficient with the valve rod is low. The long-term high-frequency reciprocating movement is not easy to wear, and the service life is more than 2 times that of the ordinary conduit. The tolerance of the inner hole is controlled within 0.01mm, which can stably guide the straight line movement of the valve rod, avoid valve deviation and air leakage, and ensure the accuracy of the valve phase; It includes valve conduit ×2 + sealing apron ×2, and the conduit parts of cylinder head inlet/exhaust valve are equipped at one time, without the need to purchase seals separately; It can withstand the high temperature environment of engine cylinder head, and resist the corrosion of oil and gas, and has no deformation and cracking problems in long-term use.