Specifications

NOTE: SPECIFICATION TABLES BEGIN ON PAGE 63 OF THIS SECTION.

NOTE:Some Low Emission LMT carburetors

have pressed in pilot jets (1) that are not

removable. DO NOT remove the pressed

in style pilot jet, Fig. 103.

Fig. 103

Remove Emulsion Tube (LMT)

Using Tool #19280, Carburetor Screwdriver, remove

main carburetor emulsion tube (1), Fig. 104.

Inspect Carburetor

Inspect all components for wear, damage, cracks, or

plugged openings. Replace components if any of the

above conditions exist. Use only compressed air and

solvents to clear plugged openings.

Inspect idle mixture needle for bent needle point or a

groove in tip of needle. Replace if bent or grooved.

Inspect threaded type pilot jet and passages for debris

and dirt (LMT).

Fig. 104

High Altitude Compensation

Engines set up for low altitude operation may

experience a decrease in performance if operated at

high altitudes.

For Engines:

LMS 1 through LMS-15, LMS-21, 22, 24, 28,

29, 30, 36

LMS 25, 26, 27, 31, 32, 34, 35, 37 and up

If poor performance is experienced refer to

Table No. 5, Page 64 or Table No. 6, Page 65,

Specifications, by basic Model Number and carburetor

I.D. number, and remove main air bleed jet (1),

Fig. 105, or fixed main jet (2), Fig. 106. If carburetor

I.D. number is not found, go to “Illustrated Parts List” by

Model and Type number.

LMT

High altitude kits are available, consisting of a new pilot

jet, emulsion tube and side main jet, or a new emulsion

tube with main jet. See “Illustrated Parts List” by Model

Series and type for correct kit part number.

Fig. 105

Fig. 106