70cc class Dyno day

[00wyk]

Did they introduce a non MT version of the 462?

 

[RI Chevy]

Already out I believe.

 

[00wyk]

Already out I believe.

Anyone know the part#?

 

[RI Chevy]

Sorry. I do not. Here is a thread on it.

https://r.tapatalk.com/shareLink/to...hare_fid=1392778&share_type=t&link_source=app

 

[RI Chevy]

Here is another. From Dan.

https://r.tapatalk.com/shareLink/to...hare_fid=1392778&share_type=t&link_source=app

 

[00wyk]

Here is another. From Dan.

https://r.tapatalk.com/shareLink/to...hare_fid=1392778&share_type=t&link_source=app

Looks like the badge simply leaves the "C" off. Thanks.

 

[RI Chevy]

These may have been converted to regular carb. Not exactly sure.

 

[00wyk]

These may have been converted to regular carb. Not exactly sure.

His photos in the thread shows this:

So no "C" like with this:

And it def looks factory:

So this is all promising, especially since that pho in the pic is originally from Greece.

 

[RI Chevy]

Yes. I knew I saw it somewhere. .

 

[00wyk]

Yes. I knew I saw it somewhere. .

Anyone out there got one on a scale?

 

[RI Chevy]

LMAO

 

[Red97]

70cc saws are heavy and unnecessary. I like 35-50. Can we dyno those? Maybe add in some moped and pit bike convo for filler

I like that idea.

Or even less, like 25cc..

 

[Wanab]

I was just wondering if you ever got around to running a proper stock 7900 on your contraption? According to the wood dyno with broken-in saws the 500i has nothing on it.

 

[Woodpecker]

View attachment 268875
View attachment 268876

I like that idea.

Or even less, like 25cc..

Hey meow that saw looks familiar

 

[Red97]

I was just wondering if you ever got around to running a proper stock 7900 on your contraption? According to the wood dyno with broken-in saws the 500i has nothing on it.

If by "proper" you mean the older new in box 7900 that you almost can't find anymore.....

No, not yet.....

 

[Wanab]

I would settle for one with the original 7900 muffler and an OEM cylinder kit. These out of the box saws may or may not show their full potential. I know that after I installed the 7900 kit on my smurf the compression picked up quite a bit after a few tanks compared to the initial run in.

 

[Woodpecker]

View attachment 316343

If by "proper" you mean the older new in box 7900 that you almost can't find anymore.....

No, not yet.....

I might know a feller who just found a pretty mint low hour 7900

 

[Red97]

I might know a feller who just found a pretty mint low hour 7900

I guess I should open that box.

It is supposed to be a blue 7900...

 

[Red97]

I would settle for one with the original 7900 muffler and an OEM cylinder kit. These out of the box saws may or may not show their full potential. I know that after I installed the 7900 kit on my smurf the compression picked up quite a bit after a few tanks compared to the initial run in.

Yeh, break in is a real thing. 3-5% at times

That is why I try to get all new saws. Not many ate going to have a dealer run 10 tanks through a saw before they pick it up.

Trying to show "out of the box" numbers.

 

[lehman live edge slab]

I was just wondering if you ever got around to running a proper stock 7900 on your contraption? According to the wood dyno with broken-in saws the 500i has nothing on it.

Is the dolmar a fair amount heavier? Just asking because I’ve never ran a 7900 dolmar is non existent up here