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420 100 mile check

2284 Views 6 Replies 5 Participants Last post by  Green
I did the 100 mike check on both of my 420s today and now I know why the dealer wants 300+ to do this service. You have to do about 2 hours of disassemble and reassemble just to do a 5 minute check of the valve adjustments. Neither one of mine needed any adjustment after I checked them. I think I will be a little faster next time now that I know how everthing comes apart and goes back togeather. Oil and Filter change was easy.
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Getting ready to do mine too. Gonna buy a service manual first though.
Absolutely. My stuff only goes to a dealer when 1) I'm trading it in or 2) it's being repaired under warranty.
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