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Mechanical Industry Standard of the People's Republic of China
JB/T5138--91
Carburetors for Small Gasoline Engines
Published on June 26, 1991
Published by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Implemented on July 1, 1992
Mechanical Industry Standard of the People's Republic of China
Carburetors for Small Gasoline Engines
Subject Content and Scope of Application
This standard specifies the carburetors for small gasoline engines (including general purpose, motorcycles, mini cars, etc.). 2 Reference Standards
Product Name and Model Compilation Rules for Carburetors for Small Gasoline Engines NJ438
3 Recommended Table for Carburetors for Small Gasoline Engines The carburetors for small gasoline engines should comply with the relevant provisions of NJ438. 3.1 Float-type carburetor
3.1.1 Plunger-type carburetor
3.1.1.1 For road-use small gasoline engines, see Table 1. Table 1
Carburetor number
Single cylinder displacement of carburetor
0.020~0.030
0.030~0.040
0.040~0.050
0.050~0.060
0,060~0.080
0.060~0.100
Engine maximum speed
7000~7500
6000~7000
6000~7500
6 000~7 000
4000~7000
40007000
For motorcycles (including mopeds), see Table 2. Table 2
Carburetor model
PZ8, PZ8J, PZ8D
PZ9, PZ9J, PZ9D
PZ10, PZ10J
PZ11, PZ11J
PZ12, PZ12J
PZ13, PZ13J
PZ14, PZ14J
Engine single red displacement
1991-06-26 Ministry of Machinery and Electronics Industry approved engine high speed
4000~6000
4000~6000
4000~6000
4000~6000
4000~7000
5000~8000
5000~16000
JB/T513891
Mower, core drill, ultra-low volume sprayer Tea picking machine, fog machine, etc.
Spraying machine, etc.
Spraying machine, etc.
Spraying machine, etc.
Spraying machine, grass cutting machine, etc.
Power-assisted bicycle
Power-assisted bicycle
Lightweight trailer
Lightweight trailer
Two-wheeled motorcycle
Two-wheeled motorcycle
1992-07-01implemented
Carburetor model
PZ15.PZ15J
FZ16 、PZ16J
PZ17、PZ173
PZ18.FZ18J
PZ19、PZ19J
PZ20PZ20J
PZ22.PZ22I
PZ24、PZ243
PZ26,PZ26J
PZ28、PZ28J
PZ30、PZ30J
Engine single cylinder plate
0.079~0.080
0. 070 ~ 0,080 | | tt | | 0.0700.090 | | tt | | 0.070 ~ 0.090 | | tt | | 0.080 ~ 0.090 | 0.400 | |tt | 000
6000~8000
6000~8000
6000~8000
60008000
6000~8000
6000~8000
6000~8 000
f000--8000
3.1.2 Equal vacuum carburetor (for motorcycle and mini car), crown table 3. Table 3
Carburetor model
PD28, PD283
PD30, PD302
PD32, PD32:
PD34, PD34J
PD36, PD36J
Engine single cylinder displacement
0.250~0.400
0.250~0.400
0.250~0.400m
0.250~0.500*
0.500~1.000)
Engine mass conversion
5000~8000
6 000~:0 000
6000--8000
6 000~-8 600
6 000--10 000
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle
Two-wheeled motorcycle, mini car
Note: 1) is the total displacement. The table gives the recommended type of one carburetor. If multiple carburetors are used, refer to this table and select the recommended type according to the single cylinder displacement. Select 2 or 4 carburetors in parallel. 3. 1. 3
Throttle type carburetor, see Table 4.
Carburetor model
Engine single cylinder selector
0.050~0.060
0.060~0.100
0.060~0.100
0.080~0.200bZxz.net
0.100~0.200
0.150~0.250
Engine maximum 5 speed
3000~50C6
3000~5000
3000~5000
3000~6000
3000~7000
3000~6000
3000~6000
3 000~-6 000
3000~6000
Sprayer, other small power, etc.
Generator set, etc.
Generator set, water pump, etc.
Moped, generator set, water pump
Sprayer, generator, water pump, generator set, etc. water pump, generator set, etc.
Water pump, lawn mower, hair dryer, generator set, generator set, water pump, brain external machine, etc.
Generator set, fire fighting building
Carburetor model
P26, S26
P30, X30
P32, X32
P3 4. X34
P36, x36
engine single cylinder displacement
0.180~0.330
0.330~0.400
0.330~0.600
0.330~0.500
0.400~0.800m
0.500~0.800t
0.650~0.800m
0.800~1.000#
0.600~J.000*)
Note: 1) is the main displacement,
diaphragm carburetor.See Table 5,
Carburetor type
MPZ10,MPZ10J
MPZ11,MPZ113
MPZ12,MPZ12J
MPZ14,MPZ143
MPZ15,MPZ15J,MP15
MP16,MP16J
MP18,MP18J
MP20,MP20J
MP22,MP22J
Additional instructions:
JB/T5138-91
Continued Table 4
Engine maximum speed
3000~6 000
3000~6000
3000~6000
3000~8000
3000~6000
3000~6000
3000~6000
3000~6 0 00
Engine single cylinder displacement
0.020~0.040
0.030~0.050
0.040~0.060
0.040~0.060
0.0500. 070
0.060~0.080
0.080~0.125
0.100~0.180
This standard is proposed and managed by Tianjin Internal Combustion Engine Research Institute, and this standard is issued at the expense of Tianjin Internal Combustion Engine Research Institute. This standard is mainly drafted by the main value,
Generator set, general purpose, knocking external machine water system, hand-held grab tractor and other remote use, generator set, and car, lifting machine and other general, generator set, refrigerated truck, cut-off car and other fire pumps and other
sensitive external machine, dump truck, generator set, machine-tillage ship, mini car and other engineering machinery, generator set, emblem car and other charm external machine, engineering machinery, mini car and other external machine, engineering machinery, mini car and other external machine, engineering machinery, mini car and other aviation external machine, engineering machinery, laser car and other Table 5
Engine maximum speed
6000~7500
6000~7500
6000~7500
6 000~7 500
6000~7500
6 000~7500
4 000~7500
4 000~7500
4000~7500
Matching machines
Pruning machines, small chain saws, etc.
Pruning machines, chain saws, etc.
Chain saws, chain saws, etc.
Chain saws, sill protection machines, etc.
Chain saws, machines, etc.
Chain saws, tamping machines, etc.
Tammers, chain saws, etc.
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