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Forum: 125cc - 249cc 05-14-2022, 04:46 PM
Replies: 3
Views: 1,203
Posted By micco
150cc scooter not running right

Hi All,
my 150cc tomos nitro has been sitting for the last couple years from the pandemic - now looking to get it back on the road.

What's currently happening is any throttle and the engine bogs...
Forum: 50cc - 124cc 07-24-2017, 04:39 PM
Replies: 25
Views: 3,906
Posted By micco
thanks all, so still haven't given the nitro 50...

thanks all,
so still haven't given the nitro 50 more thought, but i did start it up recently and it still smokes pretty bad - really thinking the rings are shot.

on the nitro 150 front, i have...
Forum: 50cc - 124cc 06-23-2017, 11:34 AM
Replies: 25
Views: 3,906
Posted By micco
thanks, i dont' recall being rough with the...

thanks, i dont' recall being rough with the float, but i'll check again. I did unplug the auto choke to take the carb out, i'll double check the connection there as well.

Ya so far i'm happy with...
Forum: 50cc - 124cc 06-21-2017, 02:43 PM
Replies: 25
Views: 3,906
Posted By micco
i did remove the bowl to change the main jet. If...

i did remove the bowl to change the main jet. If it was the float, wouldn't the gas be pouring out the overflow?

I ended up get the nitro 150 - shes much much faster then the 50 (obviously).
I...
Forum: 50cc - 124cc 06-20-2017, 09:43 AM
Replies: 25
Views: 3,906
Posted By micco
great points, again. I switched back to the...

great points, again.

I switched back to the original cylinder head last night, still smokes - but i did get rid of that rattle sound. Might have been the emissions tube vibrating against the valve...
Forum: 50cc - 124cc 06-19-2017, 12:26 PM
Replies: 25
Views: 3,906
Posted By micco
update time....the egr system was T piped to the...

update time....the egr system was T piped to the vacuum to the intake. So i blocked off the egr side.
Upgraded the rollers to 8g.

So the scoot is peppier now...BUT smokes like i'm fogging for...
Forum: 50cc - 124cc 06-16-2017, 02:58 PM
Replies: 25
Views: 3,906
Posted By micco
ok so you "saying" i should throw in the 8g...

ok so you "saying" i should throw in the 8g rollers, and try again? :)
Forum: 50cc - 124cc 06-15-2017, 09:29 PM
Replies: 25
Views: 3,906
Posted By micco
update: Didn't see any restriction pieces in...

update:
Didn't see any restriction pieces in the air box, scoot likes it with the cover off, so looking for direct air cone style.

The EGR hoses are still hooked up, when i plug the one to the...
Forum: 50cc - 124cc 06-14-2017, 11:59 AM
Replies: 25
Views: 3,906
Posted By micco
good call on all those points - esp the...

good call on all those points - esp the tensioner.
I'll look into the temp monitor

:thanks:
Forum: 50cc - 124cc 06-13-2017, 11:53 PM
Replies: 25
Views: 3,906
Posted By micco
ok update.... i looked at the needle...and sure...

ok update....
i looked at the needle...and sure enough mine uses washers as the adjustment, rather then the retaining clip.
So i removed 1 washer, took it for a run and still bogged.
Looked at...
Forum: 50cc - 124cc 06-13-2017, 10:16 AM
Replies: 25
Views: 3,906
Posted By micco
ok, i'll put the old jet back on and the old...

ok, i'll put the old jet back on and the old plug, and try it again.

I did some more reading and thinking i might have to adjust the needle.
From my understanding the needle control 1/4-3/4...
Forum: 50cc - 124cc 06-12-2017, 11:41 PM
Replies: 25
Views: 3,906
Posted By micco
Thanks for the reply, i appreciate it. Your...

Thanks for the reply, i appreciate it.
Your memory is fine! yes a SYM build 4 stroke :)
Sadly i did not take any compression or temp reading - as i do not have the tools.

It does "feel" like its...
Forum: 50cc - 124cc 06-12-2017, 11:04 AM
Replies: 25
Views: 3,906
Posted By micco
help with new BBk ---- please!

Hi everyone,

Looking to the experts on this...

I have a 2009 tomos nitro 50 and just installed a 100cc kit...
What i've done...
- 100cc installed
- #90 main jet swapped - came with kit
-...
Forum: 50cc - 124cc 06-30-2013, 11:49 PM
Replies: 2
Views: 2,982
Posted By micco
Newbie here: Questions on tomos nitro 50

Hi All,

I've been a guest for a while and decided to finally join :)
I recently acquired a 09 tomos nitro 50 w/ 500 miles, and am working out some kinks...looking for some pointers in the right...
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