Honda gx140 perfomance parts

Motra

Motra

Active Member
#3
#3
mmisterbungl said:
nope, bout the best thing on the GX140 is the 14cc head, which work on the GX200s and give gobs of compression over the stock 22cc head.
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The GX140 head has smaller valves than the 160 and 200. I've heard that it's not a good head for a performance engine.
 
Motra

Motra

Active Member
#4
#4
Cotmullion said:
Are there any performance parts for a GX140 available? I can only find parts for the gx160 and gx200 ect
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The high flow air filter and exhaust options for the 160 and 200 should work on your engine. If you did the intake, exhaust, jetting and advance the timing a little you might see a gain.
 
65ShelbyClone

65ShelbyClone

Well-Known Member
#8
#8
Cotmullion said:
Are there any performance parts for a GX140 available? I can only find parts for the gx160 and gx200 ect
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Many peripheral parts for 160s and 200s will fit a 140. Headers, carbs, intakes, air filters, sheet metal, heads, etc. Even the 160/200 connecting rods are a direct fit. The 140 has a smaller flywheel taper, so you would need to get a 160 crank(same stroke) in order to use aftermarket flywheels.

Motra said:
The GX140 head has smaller valves than the 160 and 200. I've heard that it's not a good head for a performance engine.
Click to expand...
Valve size isn't so much a problem as the GX140 head having a lot less room in the casting for portwork. I would look for a 14cc GX160 head. One thing to be aware of is the 140's small bore. Oversize valves will end up being badly shrouded by the cylinder and the head if this is overlooked.

 
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