O.S. Needle #40D

Tower Stock# LXCR13  •  Manufacturer Stock# 24081970
O.S. Needle #40D (large view)
Notes from our tech department:
This is a Replacement Needle Valve for the O.S. 40 LA engine.

One Needle valve - This is made of steel. It has a o-ring installed and
a set screw installed in case one needs to make a needle valve ext-

Specs: Overall Length: 1.95" (50mm)
Diameter of needle shaft: .055" (1.5mm)
Diameter of Knurled section: .284" (7mm)
Diameter of shaft under O-ring: 2.52mm
O-ring, inner diameter: 2.75mm
outer diameter: 5.12mm (0.20")

JBN 4-2-98

Parts Compatibility
Manufacturer Mailing Address
Additional Manufacturer Contact Info