LIL Help over here...please

SurfingDude · 01-24-2013, 12:32 PM

My OM has not arrived and I found this when cleaning up some 30 year old grease ...SO who can tell me about this missing vac line and its destination...1980 Yamaha G1...
Thanks in advance ,,please have a great day...

smallblock450sl · 01-24-2013, 06:18 PM

I envy you, living in Santa Cruz. Love Cruz and Santa Barbara. Seems the engine has been changed in your car. Starting in 1983 and up, Yamaha used what is called an "air chamber" with a hose connected to that outlet and also the intake manifold joint. Since yours doesn't have those, plug that outlet fitting anyway you can. It will let crankcase pressure out, witch you dont want.

SurfingDude · 01-24-2013, 06:54 PM

Thanks Smallblock...is the missing screw in my carb an adjustment screw?...The numbers on frame are 1980 ..I will check the block #s now!!

smallblock450sl · 01-24-2013, 06:59 PM

Quote:

Originally Posted by SurfingDude

Thanks Smallblock...is the missing screw in my carb an adjustment screw?...The numbers on frame are 1980 ..I will check the block #s now!!

That's the pilot jet, not adjustable, just screw it in. PM me your address and I'll mail you one. They still have vampires on the Santa Cruz board walk

SurfingDude · 01-24-2013, 07:09 PM

Vampires all over Santa Cruz....Thanks for the SCREW and the help ...PM sent..

SurfingDude · 01-25-2013, 10:22 AM

Quote:

Originally Posted by smallblock450sl

I envy you, living in Santa Cruz. Love Cruz and Santa Barbara. Seems the engine has been changed in your car. Starting in 1983 and up, Yamaha used what is called an "air chamber" with a hose connected to that outlet and also the intake manifold joint. Since yours doesn't have those, plug that outlet fitting anyway you can. It will let crankcase pressure out, witch you dont want.

Do you have a chart or anything that will tell me exactly what year 2 stroke I have??

http://www.buggiesgonewild.com/gas-y...at-i-have.html

smallblock450sl · 01-25-2013, 05:26 PM

It's a 79/80/81 car. The serial # could be on the main frame tube (between the rear upper shock mounts) or on the main frame member (were the rear bumper brackets bolt to). Will start with J10-xxxxx. Pilot jet got mailed today.

SurfingDude · 01-25-2013, 06:26 PM

I was wondering about the year of the engine, The cart is a 1980....Thanks again for the part..

SurfingDude · 01-29-2013, 11:36 AM

Thanks SmallBlock ..I received the part yesterday,,,about ready for a test run..

SurfingDude · 01-29-2013, 02:20 PM

She is running (( with choke in hand))but kind of rough .....after years of sitting and lots of cleaning gunk the adjustment screws on my carb need some adjusting ....is it just an ear tuning thing or is it a all the way in and back out a certain amount...what is a good starting point??...I am hopping it will tune up without having to pull carb down just yet..

01-24-2013, 06:18 PM	#2
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,874	Re: LIL Help over here...please I envy you, living in Santa Cruz. Love Cruz and Santa Barbara. Seems the engine has been changed in your car. Starting in 1983 and up, Yamaha used what is called an "air chamber" with a hose connected to that outlet and also the intake manifold joint. Since yours doesn't have those, plug that outlet fitting anyway you can. It will let crankcase pressure out, witch you dont want.

01-24-2013, 07:09 PM	#5
SurfingDude Not Yet Wild Join Date: Jan 2013 Location: Santa Cruz California Posts: 38	Re: LIL Help over here...please Vampires all over Santa Cruz....Thanks for the SCREW and the help ...PM sent..

01-25-2013, 05:26 PM	#7
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,874	Re: LIL Help over here...please It's a 79/80/81 car. The serial # could be on the main frame tube (between the rear upper shock mounts) or on the main frame member (were the rear bumper brackets bolt to). Will start with J10-xxxxx. Pilot jet got mailed today.

01-25-2013, 06:26 PM	#8
SurfingDude Not Yet Wild Join Date: Jan 2013 Location: Santa Cruz California Posts: 38	Re: LIL Help over here...please I was wondering about the year of the engine, The cart is a 1980....Thanks again for the part..

01-29-2013, 11:36 AM	#9
SurfingDude Not Yet Wild Join Date: Jan 2013 Location: Santa Cruz California Posts: 38	Re: LIL Help over here...please Thanks SmallBlock ..I received the part yesterday,,,about ready for a test run..

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01-29-2013, 02:20 PM	#10
SurfingDude Not Yet Wild Join Date: Jan 2013 Location: Santa Cruz California Posts: 38	Re: LIL Help over here...please She is running (( with choke in hand))but kind of rough .....after years of sitting and lots of cleaning gunk the adjustment screws on my carb need some adjusting ....is it just an ear tuning thing or is it a all the way in and back out a certain amount...what is a good starting point??...I am hopping it will tune up without having to pull carb down just yet..