Question about Yamaha 12V Air Pump
It might need rebuilding but there could be another problem. If this is a twostroke engine , the exhaust may be blocked with carbon residue causing the lack of power. Remove any restrictive material from the exhaust chamber, your compression will increase as well as your compression. Good luck!
Posted on Aug 28, 2010
If the compression test is low then we dont have much option to increase the power rating. Unless the compression build up well the stroke will not be powered as with low compression.
The last thing we can do is use high rating fuel and change the timing a little to advance so as to increment a higher RPM. If you can do this touch up tuning with the higher fuel grade, check for performance at high RPM . The idling may be a little sloppy. That can be one of my opinions.
If not why not change the compression rings with just the gneral service, polishing of sleeves.?
Posted on Aug 28, 2010
If the machine (engine) is expected to provide full power supply after due service and the technician have visit the engine on inspection and then he make is statement as explain
then you willmhave to consider the period of use i.e duration of usage ,nevertheless a rebuilt machine might not be guaranty but you are advice to make a replacement on the machine,but if the technician can guaranty you on the assignment he want to carry out then you ca ask him to go hard but i still remain on my statement .
thank you and thanks for using fixya.
Posted on Aug 27, 2010
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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