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Lazaros Ampatzidis


I can help you on EVERY issue involving POST-1980 Japanese Motorcycles plus KTM and Husaberg. My field of expertise includes Engine, Transmission, Fuel system (carburation & EFI),Electrics and Electronics. Maintenance, repair and tuning. Road and off-road suspension tuning. Please don't ask me about non-Japanese Motorcycle, especially American built on which I have low to zero experience.

Experience in the area

I'm a rider and hobbyist since childhood. 25 years motorcycle workshop mechanic.15 years motorcycle racing mechanic. In order of experience high to low:Kawasaki,Suzuki,Honda,Yamaha,KTM,Husaberg.


Hellenic (Greek) Technical School.Internal Combustion Engines Engineer. Automotive Electronics.

What do you still hope to achieve/learn in this field?

The Sky is the limit...

Average Ratings

Recent Reviews from Users

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
Robert01/11/17101010Great and fast responses. Still working on .....
Doug12/30/16101010Gave me just the information I needed .....
Robert09/04/16101010Thank you so much. That helped tremendously .....
Elias08/18/16101010Thank you very much Lazaros. Bullseye. It .....
Robert08/03/16101010Lazaros did a great job of responding .....

Recent Answers from Lazaros Ampatzidis

2017-01-11 87 Yamaha Venture Royal computer monitor display issues.:

Hello Robert,    I was referring to the rear of the dash (as in photo 1, top), not just the LCD unit, but it doesn't matter any more because I see in your night-time photo that the backlight works.  At

2017-01-10 87 Yamaha Venture Royal computer monitor display issues.:

Hello Robert,    I was recovering from a rather nasty accident, good to be back.    As I saw in the pictures, there is a Lexan or Plexiglass piece (clear-like-glass) that (I guess) goes under the LCD.

2017-01-06 96 cbr 600 low psi:

Hello Tray,    Low compression can be due to worn piston rings and/or cylinder walls, or poor valve sealing.  The valves may or may not need to be replaced, lapping may be enough.    The engine can be

2016-12-29 2001 Yamaha YZ 80 zinger:

Hello Brian,    The exhaust on a two-stroke, is a vital part of the engine. It doesn't have to be clogged to obstruct combustion. If there is a fair amount of carbon-and-unburned-oil residue build-up in

2016-12-03 Questions on 1987 Yamaha:

Hello Doug,    Any motorcycle that's been sitting for so long is prone to problems, both minor and severe. There are many factors that determine the overall condition.    How old were the engine/transmission


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