Search found 5 matches

by drvirago777
Mon Aug 03, 2015 1:38 am
Forum: Trouble Shooting
Topic: repairing carbs in my bike! Need help
Replies: 9
Views: 5867

Re: repairing carbs in my bike! Need help

I'm not sure that you can purchase that plug that covers the Pilot Jet in a set of KZ440 carburetors. I believe that part is Obsolete. I could be Wrong. I have several sets of KZ400 Carbs in my Shop. I think I might have that Plug you need in some spare parts. I am a Motorcycle Carburetor Specialist...
by drvirago777
Mon Aug 03, 2015 1:18 am
Forum: Trouble Shooting
Topic: yamaha '78 xs400
Replies: 5
Views: 7262

Re: yamaha '78 xs400

I can send you a complete Yamaha Parts Manual for the 78 XS400. I know the vacuum lines on Yamaha's. I ride a 1983 XV750MK Midnight Virago. I am a Motorcycle Carburetor Specialist and some of the petcock do work off of vacuum. Some petcocks have diaphragms in them. The gas only flows when a vacuum i...
by drvirago777
Mon Aug 03, 2015 1:08 am
Forum: Trouble Shooting
Topic: won't stay running
Replies: 2
Views: 4006

Re: won't stay running

Sounds like the brushes in the starter may have Failed. Check the Battery Voltage when trying to Start. Tast the Battery with a Load Test, then Rule that Out. If you get it started. Test the Voltage at the battery to insure the regulator is OK, then Rule that Out I think its the Starter has shot cra...
by drvirago777
Mon Aug 03, 2015 1:03 am
Forum: Trouble Shooting
Topic: Carb tuning
Replies: 3
Views: 3567

Re: Carb tuning

Sounds like the Pilot Jet may be clogged or the fuel level is incorrect from a failing needle valve seat and needle valve. Ultrasonic Cleaning in hot water and then blowing out all the passages with 100 lbs air pressure when they first come out of the Cleaner, is the best way to make sure everything...
by drvirago777
Mon Aug 03, 2015 12:39 am
Forum: Start Your Engines - Introduce Yourself
Topic: New to Total Motorcycle.com
Replies: 3
Views: 3232

New to Total Motorcycle.com

DSC03720.JPG Hi my Name is william J Stack I am known as drvirago777 owner of viragocarb.com I am a Motorcycle Carburetor Specialist. I am Located in Tijuana, Baja California, Mexico Operating out of San Ysidro, California. I wanted to Post some Pictures of my 1983 Yamaha XV750MK Midnight Virago an...