Reducing exhaust noise
- Thread starter mifletz
- Start date
If you ever find a way I'd like to know too. I'm going to go deaf from this engine. I don't know how anybody could call this quiet but everyone does. I was expecting it to ba A LOT quieter.
This thread might help you out:
http://motorbicycling.com/f3/muffler-noise-11288.html
Also, from what I hear (not personal experience) intake noise is a big problem too. This might help out with that:
http://motorbicycling.com/f4/remote-airbox-intake-silencing-cheap-10967.html
Hey hey, I think this is the first time I think I've been able to give advice on the site! Woohoo!
http://motorbicycling.com/f3/muffler-noise-11288.html
Also, from what I hear (not personal experience) intake noise is a big problem too. This might help out with that:
http://motorbicycling.com/f4/remote-airbox-intake-silencing-cheap-10967.html
Hey hey, I think this is the first time I think I've been able to give advice on the site! Woohoo!
Do you have pics of yer setup? is it mid or rack mounted? There's a plethora of muffler cans available for the lil 4 strokes at most big hardware stores and/or repair shops, while the mount may need to be modified there's potential there.
One of the things that helps with noise is simply exhaust system length, if yer mid-mounted making a header pipe has potential...
One of the things that helps with noise is simply exhaust system length, if yer mid-mounted making a header pipe has potential...
I use my Robin Subaru 35cc mainly for down town use. I ended
up adjusting the idle as low as it would go without dieing. I only go
10mph to 15 mph and it is really a quiet engine at the low speeds.
up adjusting the idle as low as it would go without dieing. I only go
10mph to 15 mph and it is really a quiet engine at the low speeds.
On the other site. "Silvaire" is selling the Robin Subaru engines without a gas tank for $145.
Mike
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That must be on level ground. I don't have much of that around here and up hills it's way too noisy. During the day it's alright but I ride at night too and up hills at night it could wake the dead.
I don't have a camera but this is the kit:
Motorized Bicycles Detail Page
There's plenty of room on the exhaust side, not too much inside the plastic engine cover though.
Hmm... yeah, rack mounts - cool, but limited exhaust options... I dunno, mebbe someone with one has found somethin'? *shrug* The "cans" I've seen at the hardware stores were obv stock replacements for lawnmowers etc. Perhaps one of those would have better silencing - but it'd take modifying the manifold and I dunno which/any would actually be less noisy.
I don't see any realistic way to get any length either... stack exhaust?
I don't see any realistic way to get any length either... stack exhaust?
