what does soft seized sound and feel like?

mopedhi · 10-11-2013, 01:17 AM

today my vento 2 stroke stopped for no reason while i was cruzin
when i started it up and revving it i noticed there was no smoke from the exhaust

teddy554 · 10-11-2013, 03:14 PM

it kind of bogs down until shuts off, loses all power and sounds way different then normal, just cutting off aint soft seizing and lack off oil will cause a soft but going by the sight of smoke from the pipe isn't 100 percent either, neither of my 2t smoke from the pipe

prodigit · 10-12-2013, 01:00 AM

From what teddy explains, could it feel like while riding you just flick the engine kill switch?

skuttadawg · 10-12-2013, 02:17 AM

I had a bad seize and it locked up the rear tire . I had it softseize twice on another engine but it fired up after it cooled no problem . Soft seize is when your running too lean like too small of a main jet or too much oil . Pull out yoursparkplug and compare it to this chart to get an idea on how the jetting is http://www.4secondsflat.com/plug_chart.html

Oil pump adjustment to avoid a soft seize http://49ccscoot.proboards.com/thread/3151

mopedhi · 10-12-2013, 02:46 AM

Quote:

Originally Posted by skuttadawg

I had a bad seize and it locked up the rear tire . I had it softseize twice on another engine but it fired up after it cooled no problem . Soft seize is when your running too lean like too small of a main jet or too much oil . Pull out yoursparkplug and compare it to this chart to get an idea on how the jetting is http://www.4secondsflat.com/plug_chart.html

Oil pump adjustment to avoid a soft seize http://49ccscoot.proboards.com/thread/3151

yea my rear wheel locked up too, i premix 40:1 since the oil pump is broken

using stock airbox, 85 main jet, it did fire up after a few seconds

skuttadawg · 10-12-2013, 02:58 AM

50 or 70cc ? Who told you to use 40 to 1 ?

mopedhi · 10-12-2013, 03:19 AM

70cc, someone from a local forum said 40:1 for 70cc kit

skuttadawg · 10-12-2013, 03:28 AM

Its old but here is some premix info http://www.bridgestonemotorcycle.com...oilpremix6.pdf I used 50 to 1 in my pedal mopeds

prodigit · 10-14-2013, 08:56 PM

50:1 sometimes gives problems, I had the same oil for my mopeds.
They recommend 16:1, but in reality that's too much oil.
Most people use a 32:1 ratio. Using 50:1 generally causes more engine wear.

10-11-2013, 03:14 PM	#2
teddy554 Join Date: Sep 2011 Location: staunton va Posts: 319	it kind of bogs down until shuts off, loses all power and sounds way different then normal, just cutting off aint soft seizing and lack off oil will cause a soft but going by the sight of smoke from the pipe isn't 100 percent either, neither of my 2t smoke from the pipe __________________ 2010 Cpi Oliver 70cc, naruku trans kit, downhill handle bars, tecnigas rsll pipe, s6 4g rollers, Vento R4 with 90cc 1e52qmf technigas next r 100cc pipe Naruku, 21mm race carb, s6 4.5 g rollers
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10-14-2013, 08:56 PM	#9
prodigit Join Date: Jul 2012 Location: Miami, FL Posts: 390	50:1 sometimes gives problems, I had the same oil for my mopeds. They recommend 16:1, but in reality that's too much oil. Most people use a 32:1 ratio. Using 50:1 generally causes more engine wear. __________________
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10-12-2013, 02:17 AM	#4
skuttadawg Join Date: Jul 2011 Posts: 127	I had a bad seize and it locked up the rear tire . I had it softseize twice on another engine but it fired up after it cooled no problem . Soft seize is when your running too lean like too small of a main jet or too much oil . Pull out yoursparkplug and compare it to this chart to get an idea on how the jetting is http://www.4secondsflat.com/plug_chart.html Oil pump adjustment to avoid a soft seize http://49ccscoot.proboards.com/thread/3151
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10-12-2013, 02:58 AM	#6
skuttadawg Join Date: Jul 2011 Posts: 127	50 or 70cc ? Who told you to use 40 to 1 ?
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10-12-2013, 03:19 AM	#7
mopedhi Join Date: Jan 2013 Posts: 31	70cc, someone from a local forum said 40:1 for 70cc kit
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10-12-2013, 03:28 AM	#8
skuttadawg Join Date: Jul 2011 Posts: 127	Its old but here is some premix info http://www.bridgestonemotorcycle.com...oilpremix6.pdf I used 50 to 1 in my pedal mopeds
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