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DarkSide · 03-28-2005, 06:22 PM

Ok i just put a new piston in a os RZ motor. Now the idle is set perfect but every time i give it half throttle and let off it will just stall....anyone have any ideas?

ayk_driver · 03-28-2005, 08:48 PM

did u set all ur needles back to factory specs? remember ur breaking in a new piston so u have to start over...

DarkSide · 03-29-2005, 04:07 PM

well i do not have a manual for the motor because i bought is used and it did not come with one but it is at perfect running tempature so i thought it would be set ok.. Oh i am really new to this still thou.

FearFerretRC · 03-29-2005, 04:25 PM

do a search on the internet and you can probably download the manual for the engine

DarkSide · 03-29-2005, 05:24 PM

Anyone know what the settings on a OS rz motor should be? I use 56k and i went to download one but it was going to take me an hour and a 1/2 and i can't tie up the phone that long.....

venom813 · 03-29-2005, 05:25 PM

If you replace either the piston or piston sleeve, or especially both, you have to go through the break-in procedure again.

ayk_driver · 03-29-2005, 06:20 PM

send me the link to the manula and ill d/l it and let u no man..........

CRUSHER · 03-30-2005, 03:07 AM

Break in procedure was followed ran very rich for ( IDLED ) for 2 tanks. slowly drove around for 2 more still very rich and no more than 1/4 throttle. I helped Darkside that day. I guessed @ the needle settings. For the Low end for almost all OS engines it it almost flush with the end of the carb and as for the HSN i ran it as rich as it could be without stalling. The engine ran very cool through out this process.

Doug ( Flaming mo ),

This is the same engine I sold you... Maybe I can grab the manual off of you. LMK Thanks,

Jamie

DarkSide · 03-30-2005, 07:36 AM

LOL ya what he said

ProSeries44z · 03-30-2005, 05:43 PM

If the needles are right and it runs rough and stalls immediatly, make sure the piston was installed the right way, sounds stupid, but it happens and the end result is not good.

03-28-2005, 06:22 PM	#1
DarkSide Join Date: Oct 2004 Feedback: 0 / 0% Posts: 8 Total Props: 0	I need help Remove this ad - become a site supporter! Ok i just put a new piston in a os RZ motor. Now the idle is set perfect but every time i give it half throttle and let off it will just stall....anyone have any ideas?
	.

03-28-2005, 08:48 PM	#2
ayk_driver RCC Supreme Contributor I am: Andrew C Join Date: May 2004 Location: Barrie, Ontario Radio of choice: Old School FM... Futaba mainly # of RCs: 5+ Feedback: 0 / 0% Posts: 2,956 Total Props: 0	did u set all ur needles back to factory specs? remember ur breaking in a new piston so u have to start over... __________________ Old Beater Sable
	.

03-29-2005, 06:20 PM	#7
ayk_driver RCC Supreme Contributor I am: Andrew C Join Date: May 2004 Location: Barrie, Ontario Radio of choice: Old School FM... Futaba mainly # of RCs: 5+ Feedback: 0 / 0% Posts: 2,956 Total Props: 0	send me the link to the manula and ill d/l it and let u no man.......... __________________ Old Beater Sable
	.

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03-29-2005, 04:07 PM	#3
DarkSide Join Date: Oct 2004 Feedback: 0 / 0% Posts: 8 Total Props: 0	well i do not have a manual for the motor because i bought is used and it did not come with one but it is at perfect running tempature so i thought it would be set ok.. Oh i am really new to this still thou.
	.

03-29-2005, 04:25 PM	#4
FearFerretRC RCC Senior Contributor I am: Tom Join Date: Nov 2004 Location: Toronto Feedback: 0 / 0% Posts: 611 Total Props: 0	do a search on the internet and you can probably download the manual for the engine
	.

03-29-2005, 05:24 PM	#5
DarkSide Join Date: Oct 2004 Feedback: 0 / 0% Posts: 8 Total Props: 0	Anyone know what the settings on a OS rz motor should be? I use 56k and i went to download one but it was going to take me an hour and a 1/2 and i can't tie up the phone that long.....
	.

03-29-2005, 05:25 PM	#6
venom813 RCC Senior Contributor Join Date: Jun 2004 Feedback: 0 / 0% Posts: 587 Total Props: 0	If you replace either the piston or piston sleeve, or especially both, you have to go through the break-in procedure again.
	.

03-30-2005, 03:07 AM	#8
CRUSHER RCC Supreme Contributor Join Date: May 2004 Feedback: 0 / 0% Posts: 2,510 Total Props: 0	Break in procedure was followed ran very rich for ( IDLED ) for 2 tanks. slowly drove around for 2 more still very rich and no more than 1/4 throttle. I helped Darkside that day. I guessed @ the needle settings. For the Low end for almost all OS engines it it almost flush with the end of the carb and as for the HSN i ran it as rich as it could be without stalling. The engine ran very cool through out this process. Doug ( Flaming mo ), This is the same engine I sold you... Maybe I can grab the manual off of you. LMK Thanks, Jamie
	.

03-30-2005, 07:36 AM	#9
DarkSide Join Date: Oct 2004 Feedback: 0 / 0% Posts: 8 Total Props: 0	LOL ya what he said
	.

03-30-2005, 05:43 PM	#10
ProSeries44z Join Date: Feb 2005 Feedback: 0 / 0% Posts: 135 Total Props: 0	If the needles are right and it runs rough and stalls immediatly, make sure the piston was installed the right way, sounds stupid, but it happens and the end result is not good.
	.

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