ALL MTD BRANDS
TECH BRIEF 01.08.13.01
(MTD CARBURETOR / REBUILD KIT IDENTIFICATION )
Tech Subject: Identify Correct Huayi Or Deni Carburetor Rebuild Kits Used On MTD Branded Engines
Models Affected: All MTD Engines
Serial Number Range Affected: N/A
Tech Issues:
To correctly identify carburetors used on MTD branded engines to ensure proper rebuild kit part number is selected.
1. Carburetor Calibration Breakdown
-used to communicate which parts are needed for a specific engine
-More reliable than tracking by engine model
Huayi (Carburetor Supplier) - 165SA (Carburetor Calibration Code)
2. Determine Carburetor Supplier
Supplier cast into carburetor body
Usually found on opposite side of fuel inlet
Supplier trademarks
a. Huayi (HY) - primary supplier
b. Deni (DN) - secondary supplier for higher
volume engine platforms
c. Ruixing (RX) - rarely used (older models only)
Images: Huayi Trademark - Deni Trademark - Ruixing Trademark
3. Determine Carburetor Calibration
4-6 Digit Alphanumeric Code
Minimum of 2 Locations
a. Printed within the carburetor serial code
Example (right)
b. Stamped on carburetor body
Locations vary (below)
Image: First 7 Digits
Calibration Code
Carburetor Serial Code
(Last 6 Digits)
Images: Throttle Plate - Fuel Inlet
Carburetor Assemblies - Carburetor Kits
951-12158 CARB ASM:CHOKE:HY-170L Huayi - 951-05034 CARB KIT:SVC:HY-170HE Huayi
951-12374 CARB ASM:CHOKE:HY-178L Huayi - 951-12709A CARB KIT:SVC:HY-165HA Huayi
951-12552 CARB ASM:CHOKE:HY-170LA Huayi - 951-12709A CARB KIT:SVC:HY-165H Huayi
951-12612 CARB ASM:PRMR:HY-161SA Huayi - 951-12711A CARB KIT:SVC:HY-165J Huayi
951-12612A CARB ASM:PRMR:HY-161SB Huayi - 951-12711A CARB KIT:SVC:HY-165JA Huayi
951-12702 CARB ASM:CHOKE:HY-165H Huayi - 951-12712 CARB KIT:SVC:DN-165SB Deni
951-12702A CARB ASM:CHOKE:HY-165HA Huayi - 951-12713 CARB KIT:SVC:DN-165S Deni
951-12704 CARB ASM:PRMR:HY-165J Huayi - 951-12715 CARB KIT:SVC:HY-165SA Huayi
951-12704A CARB ASM:PRMR:HY-165JA Huayi - 951-12716 CARB KIT:SVC:HY-165S Huayi
951-12704B CARB ASM:PRMR:HY-165JB Huayi - 951-12756 CARB KIT:SVC: HY-161S Huayi
951-12705 CARB ASM:PRMR:DN-165SB Deni - 951-12757A CARB KIT:SVC: HY-161SB Huayi
951-12705 CARB ASM:PRMR:HY-165SB Huayi - 951-12757A CARB KIT:SVC: HY-161SA Huayi
951-12705 CARB ASM:PRMR:HY-165SB Huayi - 951-12758 CARB KIT:SVC: HY-161H Huayi
951-12705 CARB ASM:PRMR:DN-165SB Deni - 951-12758A CARB KIT:SVC: HY-161HA Huayi
951-12706 CARB ASM:PRMR:DN-165S Deni - 951-12759 CARB KIT:SVC: HY-161HB Huayi
951-12706 CARB ASM:PRMR:HY-165SA Huayi - 951-12760A CARB KIT:SVC:HY-183SA Huayi
951-12706 CARB ASM:PRMR:HY-165SA Huayi - 951-12760A CARB KIT:SVC:HY-183S Huayi
951-12706 CARB ASM:PRMR:DN-165S Deni - 951-12761A CARB KIT:SVC:HY-190SA Huayi
951-12707 CARB ASM:PRMR:HY-165S Huayi - 951-12761A CARB KIT:SVC:HY-190S Huayi
951-12783 CARB ASM:CHOKE:HY-170HA Huayi - 951-12762A CARB KIT:SVC:HY-178S Huayi
951-12785 CARB ASM:CHOKE:HY-170HB Huayi - . 951-12762A CARB KIT:SVC:HY-178LA Huayi
951-12785 CARB ASM:CHOKE:HY-170H Huayi - 951-12762A CARB KIT:SVC:HY-178SA Huayi
951-12791 CARB ASM:CHOKE:HY-178LA Huayi - 951-12763 CARB KIT:SVC:HY-178L Huayi
951-14018 CARB ASM:PRMR:HY-161S Huayi - 951-12782 CARB KIT:SVC:HY-170H Huayi
951-14019 CARB ASM:CHOKE:HY-161H Huayi - 951-12783 CARB KIT:SVC:HY-170HA Huayi
951-14020 CARB ASM:CHOKE:HY-161HA Huayi - 951-12784 CARB KIT:SVC:HY-170HB Huayi
951-14020A CARB ASM:CHOKE:HY-161HB Huayi - 951-12786 CARB KIT:SVC:HY-170L Huayi
951-14022A CARB ASM:PRMR:HY-190S Huayi - 951-12787 CARB KIT:SVC:HY-170LA Huayi
951-14022A CARB ASM:PRMR:HY-190SA Huayi - 951-12788A CARB KIT:SVC:HY-170SA Huayi
951-14023A CARB ASM:PRMR:HY-183S Huayi - 951-12788A CARB KIT:SVC:HY-170JA Huayi
951-14023A CARB ASM:PRMR:HY-183SA Huayi - 951-12788A CARB KIT:SVC:HY-170S Huayi
951-14024A CARB ASM:PRMR:HY-178S Huayi - 951-12788A CARB KIT:SVC:HY-170J Huayi
951-14024A CARB ASM:PRMR:HY-178SA Huayi - 951-14033 CARB KIT:SVC:HY-165JB Huayi
951-14026A CARB ASM:PRMR:HY-170S Huayi - 951-14050 CARB KIT:SVC:HY-165SB Huayi
951-14026A CARB ASM:PRMR:HY-170SA Huayi - 951-14124 CARB KIT:SVC: HY-161SC Huayi
951-14027A CARB ASM:PRMR:DN-170SA Deni - 951-14153 CARB KIT:SVC:DN-170S Deni
951-14027A CARB ASM:PRMR:HY-170SA Huayi - 951-14154 CARB KIT:SVC:DN-170SA Deni
951-14027A CARB ASM:PRMR:DN-170S Deni - 951-14231 CARB KIT:SVC: HY-190SB Huayi
951-14027A CARB ASM:PRMR:DN-170SA Deni
951-14028A CARB ASM:PRMR:HY-170J Huayi
951-14028A CARB ASM:PRMR:HY-170JA Huayi
951-14035 CARB ASM:PRMR:HY-190SB Huayi
951-14093 CARB ASM:PRMR:HY-161SC Huayi
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