Power Valve clean and service

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ChequeredFlagRacing · #1 Post by **ChequeredFlagRacing** » Wed Jul 08, 2020 5:24 am

Hi All

Can they be done with the motor installed?

I've compiled a list of the parts. Am I missing any items before I source the items?

Some will need more than one item

TIA

24 47x-1131E-00 Holder 1
25 93210-27370 Bolt
26 93210-27370 O-ring
27 47X-1131F-00 Holder 2
28 93210-27370 O-ring
29 93108-23010 O-ring
30 47X-11915-00 Plate Thrust 1
31 91311-05008 Bolt

MK · #2 Post by MK » Wed Jul 08, 2020 5:59 am

Motor installed, yes.
But you need to get off all 4 cylinders.

ChequeredFlagRacing · #3 Post by **ChequeredFlagRacing** » Wed Jul 08, 2020 6:38 am

MK wrote: ↑Wed Jul 08, 2020 5:59 am Motor installed, yes.
But you need to get off all 4 cylinders.

OK

Winter job then

Twinsport · #4 Post by **Twinsport** » Thu Jul 09, 2020 2:17 am

ChequeredFlagRacing wrote: ↑Wed Jul 08, 2020 6:38 am Winter job then

It's bad, but not that bad. I did YPVS service and new rings a while back. I remember it as a 8 hour job, including a fair bit of frustration and cursing, but hey - isn't that what having a 500 is all about

/Steen

phildu31 · #5 Post by **phildu31** » Thu Jul 09, 2020 9:01 am

Necessary job.
Take your time and do it well : I advise you to remove the motor from frame even if it is not mandatory at the end it will be easier.
Make a leak test and see what you get.
Chances are that you'll find some leaks.

500 Two-Stroke Tech

Power Valve clean and service

Power Valve clean and service

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