engine difference between sprees and aero50s

DoubleAey · Post by **DoubleAey** » Fri May 08, 2009 3:28 am

so whats the difference between the spree and aeros? arnt they basically the same? the spree goes 25 30ish but the areo does a good 35 40.

why doesnt the spree do that stock?!?!

i have to mod my spree to do that fast. is the intake and exhaust ports just bigger?

and the aeros are big! compared to the spree. lol and i was comparing it to an 87 spree. pre 87 sprees were even smaller!!!

bradthreee · Post by **bradthreee** » Fri May 08, 2009 10:31 am

Aero motors have more horsepower and the are still aftermarket parts available for it. It also has a variator which alows it to go higher speeds when changing the weights.

Wheelman-111 · Post by **Wheelman-111** » Fri May 08, 2009 12:05 pm

Greetings:

I've been poring over parts fiches lately. (Yes I need an actual life, but that's a topic for Chit-Chat...)

So why does the Spree design include a movable rear pulley and a Controid spring, anyway? For that matter, why is there a rubber belt. If it's really single-speed, you'd think it'd be better to use a chain between drive and driven faces. The clutch is on the driven pulley and disengages at idle anyway.

Since the drive face pulley appears to be fixed, what happens when(/if?)the belt drops lower into the driven face? The front part of the belt gets "longer" but obviously can't get any wider. Intuitively it would appear to lose contact with the drive faces altogether. What's going on that I don't understand here?

scooterwerx · Post by **scooterwerx** » Fri May 08, 2009 12:12 pm

i wondered the same thing about my sb50 engine...

Wheelman-111 · Post by **Wheelman-111** » Fri May 08, 2009 12:22 pm

Greetings:

I wondered the same thing about my sb50 engine...

That's a relief. I thought I was the only one nutty enough to question Honda-san's wisdom. Now I know I'm sane. Or we're both nuts. If you'll excuse me, now I have to go dental-floss my tire treads.

mousewheels · Post by **mousewheels** » Fri May 08, 2009 2:31 pm

Belt is there for cost, noise and maintenance reasons.

I thought the rear pulley and spring were an auto tension feature, to compensate as the belt wore.

zapwalker · Post by **zapwalker** » Fri May 08, 2009 5:28 pm

Well I got lost in all that about belts and what not. Can it be a easy engine swap or for that matter are there any engines that can be somewhat easy swap?

bradthreee · Post by **bradthreee** » Fri May 08, 2009 5:37 pm

zapwalker wrote:Well I got lost in all that about belts and what not. Can it be a easy engine swap or for that matter are there any engines that can be somewhat easy swap?

http://hondaspree.net/phpBB2/viewtopic.php?t=6536

CaptDan · Post by **CaptDan** » Fri May 08, 2009 9:45 pm

Wheelman axeth:

So why does the Spree design include a movable rear pulley and a Controid spring, anyway? For that matter, why is there a rubber belt.

And I - pretending to be Mr HondaSan - reply:

"Ah! Grasshoppah, when sewing a field of rice, you don't harvest a single grain! Or - as you Occidentals say: "Mass production make easier; common parts are!"

Wheelman continues:

If it's really single-speed, you'd think it'd be better to use a chain between drive and driven faces.

Ersatz HondaSan answers:

Long ago, Shinto Masters ordain the last 1950 Nash is recycled in our land. Or, as they say in Europe: 'Metal are more costly this Dupont clone rubber is not!'"

Wheelman puzzles:

" What's going on that I don't understand here?"

And Fake HondaSan sez:

"All your base are berong to US!"

To hear more of the Wise One's message, tune into the PodCast!

CaptDan>

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engine difference between sprees and aero50s

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