Installed Emgo Pods and now tuning.

[jamesrs2007]

Hello everyone,  I just got an 86 about 2 weeks ago and have started tearing into it to make it run like it is supposed to.  The previous owner let is sit outside a bit, so a little work needed to be done to get it back to it's previous glory.  I started by cleaning off the spider webs, pulling off all the smog stuff and draining all the fluids.  I then pulled off the carbs, pulled the valve cover and adjusted the valves.  I cleaned out the carbs and put in new gaskets.  I drilled out the mixture port, and commenced to reassembling.  After refilling all fluids and double checking everything, I started the bike back up and set the idle to around  1200.  I adjusted the A/F mixture and the carbs responded perfectly.  I then sync'd the carbs and am now at the point where I will need to cut coils off of the diaphragm, shim the needle, and re-jet.  The bike starts, and idle's perfectly, but it has the infamous bog when you crack the throttle. (I expected this...)

Here is where I am looking for a little advice.  I plan on cutting 3 coils from each spring, as I have read that this seems to be the magic number.  I also plan on using a 130 main jet if needed. (currently I have 125's)  

Should I shim the needle with a small washer and then cut the coils?, or should I do them both at the same time?  Would you suggest 130, or 135 jets for a stock bike with only Emgo pods and no exhaust modifications?

Thanks for any assistance.  It's appreciated.  



Oh, ya one more thing.  I like the look of the stock bike, so I too the original air box, gutted it, cut the sides and made them mount in the factory location.  With the pods sitting in the hollowed out box, this thing has a wicked sound when you crack the throttle.  heh, this little rocket is fun...

[Blaine]

I would try the #130's first & shim the needles.You may not need to cut the coils.Also make sure no part of the boot on the pod is not blocking any part of the front of carbs,

[jamesrs2007]

Thanks for the reply.  I have ordered the jets, as well as a set of spare diaphragm springs (to cut coils from if needed) and will replace the jets and shim the needle as soon as they arrive. 

[jamesrs2007]

Thanks again Blaine for the advice, it is greatly appreciated.  Just to let ya know, here is where the bike stands now.  After installing the 130 jets and shimming the needle with a "very" small washer, the bike starts right up, and you barely needs choke if it's cold.  Doesn't need the choke at all if it has been running.  Still have a slight hesitation / cough right off idle and am wondering if putting another small washer under the needle head will help.  What are your thoughts?

[Blaine]

Apr 22, 2015 21:00:34 GMT -6 jamesrs2007 said:

Thanks again Blaine for the advice, it is greatly appreciated.  Just to let ya know, here is where the bike stands now.  After installing the 130 jets and shimming the needle with a "very" small washer, the bike starts right up, and you barely needs choke if it's cold.  Doesn't need the choke at all if it has been running.  Still have a slight hesitation / cough right off idle and am wondering if putting another small washer under the needle head will help.  What are your thoughts?

May or may not as the needle controls 1/4 to 3/4 throttle.I would try another 3/4 turn out the the idle mixture screws first & see if that helps first.Your very close.

[jamesrs2007]

OK, I will give that a shot first and let ya know how it reacts.  Thanks!

[jamesrs2007]

Well Blaine, I am happy to report that my bike is running perfectly.  I thought I had the mix good when I set the carbs the same way i would on a small block Chevy, but I guess they need to be a bit richer than I thought.  Lol...

Thanks again, I will take some pics of before and after when I get the chance to show you my bike.  I could not be more pleased with the way it runs and rides now.  Next i will be putting in a new clutch, and fixing those pesky leaking fork seals.    Heh, one step at a time. 

[Blaine]

Apr 24, 2015 11:04:32 GMT -6 jamesrs2007 said:

Well Blaine, I am happy to report that my bike is running perfectly.  I thought I had the mix good when I set the carbs the same way i would on a small block Chevy, but I guess they need to be a bit richer than I thought.  Lol...

Thanks again, I will take some pics of before and after when I get the chance to show you my bike.  I could not be more pleased with the way it runs and rides now.  Next i will be putting in a new clutch, and fixing those pesky leaking fork seals.    Heh, one step at a time. 

That's great......Happy riding!!

[eaglerider]

This engine does run best just slightly rich. Remember, this is not like the lower RPM Honda, Suzuki, & Yamaha cruiser engines...this is really a high reving, crotch rocket engine.