Motorcycle get high emission than car.

Glenn said:
Thanks. :D

Yes most cat in the front area, but how do you place that on motorcycle? You have limitations to where it can go.
Click to expand...

I am not a motorcycle mechanic...I don't smog the motorcycles. Maybe I need more time to research the motorcycles and cat converters later. Maybe Jiro know...:dunno:
 
diehardbiker said:
The Highlander, your right, its on mythbuster already proved that motorcycle is worse with emission than cars. It's fact, and I was surprised too.

I think there is reason behind this, first no cat system on most bikes, second the chemical (Fuel) changes during combustion may be different on motorcycle than cars. Don't shoot me, I have limited understand how this whatever you call it, works.

Other factor is that generally motorcycles can't carry much like cars can, which makes it more efficient on cars than motorcycle. Lastly, when it comes to motorcycle.... Aerodynamic which motorcycle generally lacks.
Click to expand...

And other reason is the motorcycles doesn't have computer controllers.
 
Jiro said:
here ya go, highlander.

2vnh0ki.gif
Click to expand...

Bingo, I am right about the cat converter's location. 01-Catalyzer/Rear Silencer cost $862.95 for the bike? :shock: Same price as car's cat converter..
 
deafsmogtech said:
The pix in OP, states " EMISSION PER MILE" is not mpg. This pic is talking about grams per mile (g/mi), that measure the amount of the emissions (HC,CO,CO2 and NOx) emits from the tailpipe(s) while the vehicle/motorcycle travels one mile on the road.
Click to expand...

Makes sense, definitely give and take, but I'll take the savings from gas and maintenance, over fractionally different emissions.
 
The cat is in the muffler on my bike so when the exhaust is changed the emissions jump.
 
diehardbiker said:
The Highlander, your right, its on mythbuster already proved that motorcycle is worse with emission than cars. It's fact, and I was surprised too.

I think there is reason behind this, first no cat system on most bikes, second the chemical (Fuel) changes during combustion may be different on motorcycle than cars. Don't shoot me, I have limited understand how this whatever you call it, works.

Other factor is that generally motorcycles can't carry much like cars can, which makes it more efficient on cars than motorcycle. Lastly, when it comes to motorcycle.... Aerodynamic which motorcycle generally lacks.
Click to expand...

That's right it's on Mythbuster and Aerodynamic help the MPG a lot but emission, a little or almost same.

Jiro said:
oh I'm not surprised that motorcycle has worse emission than car. it makes sense. so does lawn mower, dirt bike, etc.

at least it doesn't consume much gas so it's a give or take.
Click to expand...

Because most tiny motors like chainsaw, trimmer weed, lawn mower, earth augeretc are two-cycle engine and it is WORSE emission than four-cycles. The two-cycle use gasoline-oil mixture as 50/50 and very light weight and easy repair than four-cycles. You motorcycle is four-cycles.

deafsmogtech said:
And other reason is the motorcycles doesn't have computer controllers.
Click to expand...

My friend own 2007 Yamaha dirt motorcycle and it does have computer and no battery need. *Kick gear to start engine whatever it's calls*
 
Harley Davidson 2012 ElectraGlide Ultra Classic have catalyst converter. I guess one of few motorcycles have em.

Catty
 
The Highlander said:
That's right it's on Mythbuster and Aerodynamic help the MPG a lot but emission, a little or almost same.



Because most tiny motors like chainsaw, trimmer weed, lawn mower, earth augeretc are two-cycle engine and it is WORSE emission than four-cycles. The two-cycle use gasoline-oil mixture as 50/50 and very light weight and easy repair than four-cycles. You motorcycle is four-cycles.



My friend own 2007 Yamaha dirt motorcycle and it does have computer and no battery need. *Kick gear to start engine whatever it's calls*
Click to expand...


50/50 mix? Sounds too much oil in gas, emits lot of white smoke... The typical mix ratios for small 2 stroke engines is 30:1 to 50:1. I used to mixing oil/gas about 50:1 mix ratio to refueling my favorite LawnBoy 21 inch rotary mower in many years ago. I love powerful small 2 stroke engine and too lightweight and easy cut tally grass. But my LawnBoy was dead cuz my little brother refueled straight gas, seized piston.
 
Yeah, I believe he means 50 to 1 not 50/50. Because if doing 50/50 then there won't be much power and too much oil in cylinder resulting no firing.

deafsmogtech said:
50/50 mix? Sounds too much oil in gas, emits lot of white smoke... The typical mix ratios for small 2 stroke engines is 30:1 to 50:1. I used to mixing oil/gas about 50:1 mix ratio to refueling my favorite LawnBoy 21 inch rotary mower in many years ago. I love powerful small 2 stroke engine and too lightweight and easy cut tally grass. But my LawnBoy was dead cuz my little brother refueled straight gas, seized piston.
Click to expand...
 
deafsmogtech said:
50/50 mix? Sounds too much oil in gas, emits lot of white smoke... The typical mix ratios for small 2 stroke engines is 30:1 to 50:1. I used to mixing oil/gas about 50:1 mix ratio to refueling my favorite LawnBoy 21 inch rotary mower in many years ago. I love powerful small 2 stroke engine and too lightweight and easy cut tally grass. But my LawnBoy was dead cuz my little brother refueled straight gas, seized piston.
Click to expand...

diehardbiker said:
Yeah, I believe he means 50 to 1 not 50/50. Because if doing 50/50 then there won't be much power and too much oil in cylinder resulting no firing.
Click to expand...



Oop, I should not type during i was sleepy last night. Yeah. I mean 50:1 mix ratio.
 
The Highlander said:
Oop, I should not type during i was sleepy last night. Yeah. I mean 50:1 mix ratio.
Click to expand...

At Chevron station near beach, where I used to working there for about 5 years, the female cashier asked me, do we have 2 stroke oil? I replied her yes, we have them. I grab the case of 2 stroke oil. She sold it to a female motorist, she walk toward her moped bike. I saw her to pouring a 2 stroke oil in a small tank all way, empty container then she refueled in another gas tank. She moped away. I wonder there is automatic mixture ratio.... Anyone have see it before. Maybe I wrong?
 
deafsmogtech said:
At Chevron station near beach, where I used to working there for about 5 years, the female cashier asked me, do we have 2 stroke oil? I replied her yes, we have them. I grab the case of 2 stroke oil. She sold it to a female motorist, she walk toward her moped bike. I saw her to pouring a 2 stroke oil in a small tank all way, empty container then she refueled in another gas tank. She moped away. I wonder there is automatic mixture ratio.... Anyone have see it before. Maybe I wrong?
Click to expand...
I think it does not mix oil/gas and works like car engine. Better emissions that way.
 
Back
Top