Subject: RE: pilot jet and main jet
Author: Epako 91
Date: Feb 3, 2004, 9:00 PM
Post ID: 1715941753
Thanks. Yes I did a full rebuilt and clean the carbs out. The only problem
is that I rebuild them from different parts collected over the years and I
am not sure if the jets installed came from an Eldo. The bike is running
fine at low rpm but when I want to accelerate I use the chocke, always a
little dangerous and fun while riding especially with the sudden
acceleration :-). Could it be the timing, my plugs look pretty wet each time
which does not coincide with being lean right? Thanks again, I appreciate
any help I can get, I want to go ride...
| From: John Ulrich <johnulri-@yahoo.com> Reply-To: Loopfram-@topica.com To: Loopfram-@topica.com Subject: RE: pilot jet and main jet Date: Wed, 4 Feb 2004 04:51:57 +0000 Epako 91 wrote:
*** The jet sizes listed were in a 850T. An V850 shows a 45 pilot jet so you already have a richer jet installed so good so far. Are you lean at low rpms? ...try a higher number. Have you rebuilt and cleaned out the carbs good? My Ambo runs lean at 4000+ rpms...the pipes turn blue and I'm only using 1/3 throttle. The main jet does not add fuel until 2/3+ throttle so I found that was a waste of time trying a larger main. I marked my throttle at 4000 rpms when riding. I pulled the airbox and turned the throttle to that point and marked the needle inside the carb throat. I chucked the needles in a drill and with 400 wet/dry sandpaper, narrowed a small section below that mark to richen up the fuel flow at that throttle setting. Take off too much and the motor will sputter from too much fuel. If that happens try raising the the needle or you need to find another needle. I did this slowly until the pipes stabilized in color. Later, JU |
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