Yamaha MX775 - PERIODIC CHECKS AND ADJUSTMENTS; INTRODUCTION; MAINTENANCE INTERVALS CHART; PERIODIC MAINTENANCE;LUBRICATION INTERVALS

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PERIODIC CHECKS AND ADJUSTMENTS
2-1
PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION
This chapter includes all information necessary to perform recommended checks and adjustments.
These preventive maintenance procedures, if followed, will ensure more reliable machine operation
and a longer service life. The need for costly overhaul work will be greatly reduced. This information
applies to machines already in service as well as new machines that are being prepared for sale. All
service technicians should be familiar with this entire chapter.
MAINTENANCE INTERVALS CHART
Proper periodic maintenance is important. Especially important are the maintenance services
related to emissions control. These controls not only function to ensure air filter but are also vital to
proper engine operation and maximum performance.
PERIODIC MAINTENANCE/LUBRICATION INTERVALS
*1 For models equipped with a Yamaha muffler.
*2 Items marked with an asterisk require special tools, data and technical skills, have a Yamaha
dealer perform the service.
Daily 50 hrs
100
hrs
200
hrs
250
hrs
500
hrs
1000
hrs
Check spark plug 
Check muffler and spark arrester  (*1)
Check oil level 
Change engine oil 
Change oil filter 
Clean fan case covers and cooling area 
Check and change fuel filter 
Check fuel line 
Clean oil cooler fins 
Check air filter element 
Replace air filter element 
Check air filter inner element 
Replace air filter inner element 
Check valve clearance  (*2)
Clean combustion chamber  (*2)
Idle speed  (*2)
Fitting/fastener  (*2)
Check leaks and anything operator notices
such as noises or abnormal operation.
