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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
Mike02/21/17101010Very helpful and knowledgeable of motorcycles. Would .....
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 .....

Recent Answers from Lazaros Ampatzidis

2017-02-20 Noise in engine:

Hello Mike,    At this mileage, it could be either one or both the problems I mentioned.    If the noise fades out as the revs rise, and comes back as they fall, most probably it's the camshaft train.

2017-02-20 Noise in engine:

Hello Mike,    The mileage of the bike would help me a great deal, but anyway...    First of all, check if the noise changes when you pull the clutch.  If it does, the clutch hub and/or clutch discs have

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


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