Zenoah Engine Torque Specs

marder69

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Thread starter #1
Zenoah torque settings -

Carburetor - 35 Kg.cm
Insulator - 35 Kg.cm
Cylinder - 70 Kg.cm
Crankcase - 65 Kg.cm
Spark Plug - 110 Kg.cm

Spark Plug Gap - 0.6 ~ 0.7mm (25 - 30 thou)
Ignition Coil Gap - 0.3mm

Hope this helps guys!
 

Bigger the Better

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#2
Here is another one with some more info. You can find it in the owners manual here on page 5 #6: http://www.zenoah.net/products/hobby/download/G230RC_G260RC_307.pdf

TIGHTENING TORQUE
Item, Screw Size, Standard (kg•cm), Limit (kg•cm)
Carburetor, M5 (P=0.8), 35, 30~40
Insulator, M5 (P=0.8), 35, 30~40
Clutch, M6 (P=1.0), 65, 50~80
Rotor, M8 (P=1.0), 130, 100~150
Cylinder, M5 (P=0.8), 70, 60~80
Crankcase, M5 (P=0.8), 65, 50~80
Spark Plug, M10 (P=1.0), 110, 100~120
Muffler, M5 (P=0.8), 90, 70~100
Fan Cover, M5 (P=0.8), 35, 30~40
Ignition Coil, M4 (P=0.7), 33, 25~40
Starter Case, M4 (P=0.7), 13, 10~15
Tapping Screw, TP 4.3, 25, 20~30

You can use this program to change the measurement from kg/cm to what type of torque wrench you own: http://www.nmbtc.com/Calculators/converter.swf
 
Last edited:

46u

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#3
All specifications are either in the Zen or CY manual. The CY is all so in all the HPI baja manuals. Being a motorcycle mechanic and machinist for over 35 years I believe in proper torque. Have to wonder if some of the problems with the base gaskets on 2 bolt engines might be do to improper torque.
 

fastlane

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#4
I am almost positive that was the problem in my 2 bolt. I lost that thing due to lean condition and very little dirt. I also think that choke plate for my 813 let in dirt as well. I will start it differently now.
 

chitown joe

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#5
sorry but these settings are wrong, you guys are forgetting the point between the numbers,
heres the correct ones from zenoahs website
http://www.zenoah.net/ddoc/ZENO/ZENO2010_EUenAPen/ZENO2010_EUenAPen_G240RC,270RC,290RC,EU_.PDF

MAINTENANCE
6) TIGHTENING TORQUE
Items Screw Size Standard (N·m) Limit (N·m) Remarks
Carburetor M5 (P=0.8) 3.4 2.9~3.9
Insulator M5 (P=0.8) 4.4 3.9~4.9 with Locktight glue
Clutch M6 (P=1.0) 6.4 4.9~7.8
Rotor M8 (P=1.0) 12.7 9.8~14.7
Cylinder M5 (P=0.8) 6.8 4.7~8.8
Crankcase M5 (P=0.8) 6.4 4.9~7.8
Spark Plug M10 (P=1.0) 10.8 8.8~12.8
Muffler M5 (P=0.8) 8.8 6.9~9.8
Fan Cover M5 (P=0.8) 3.4 2.9~3.9
Ignition Coil M4 (P=0.7) 3.2 2.5~3.9
Starter Case M4 (P=0.7) 1.3 1.0~1.5
Tapping Screw TP 4.3 2.4 1.9~2.9
 

MrFnisse

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#6
sorry but these settings are wrong, you guys are forgetting the point between the numbers,
heres the correct ones from zenoahs website
http://www.zenoah.net/ddoc/ZENO/ZENO2010_EUenAPen/ZENO2010_EUenAPen_G240RC,270RC,290RC,EU_.PDF

MAINTENANCE
6) TIGHTENING TORQUE
Items Screw Size Standard (N·m) Limit (N·m) Remarks
Carburetor M5 (P=0.8) 3.4 2.9~3.9
Insulator M5 (P=0.8) 4.4 3.9~4.9 with Locktight glue
Clutch M6 (P=1.0) 6.4 4.9~7.8
Rotor M8 (P=1.0) 12.7 9.8~14.7
Cylinder M5 (P=0.8) 6.8 4.7~8.8
Crankcase M5 (P=0.8) 6.4 4.9~7.8
Spark Plug M10 (P=1.0) 10.8 8.8~12.8
Muffler M5 (P=0.8) 8.8 6.9~9.8
Fan Cover M5 (P=0.8) 3.4 2.9~3.9
Ignition Coil M4 (P=0.7) 3.2 2.5~3.9
Starter Case M4 (P=0.7) 1.3 1.0~1.5
Tapping Screw TP 4.3 2.4 1.9~2.9
Nah they were not wrong but in kg/cm the ones you posted are in N/m
 
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