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Search: Posts Made By: Butler Cox
Forum: Rotax Max powered by ShopMRPOnline.com 08-14-2011, 08:37 PM
Replies: 12
Views: 19,110
Posted By Butler Cox
[QUOTE=Garry Lobaugh;7584]It looks to me that the...

[QUOTE=Garry Lobaugh;7584]It looks to me that the forum respondents have been very attentive to your needs.

To answer your question: the local dealer is our first response to the customer. We...
Forum: Rotax Max powered by ShopMRPOnline.com 08-14-2011, 12:48 PM
Replies: 12
Views: 19,110
Posted By Butler Cox
Someone who should know is also at a loss about...

Someone who should know is also at a loss about this, apparently. They suggested a cracked piston. This motor has used two pistons, neither of which shows *any* signs of flaws.

Since the results...
Forum: Rotax Max powered by ShopMRPOnline.com 08-01-2011, 11:08 AM
Replies: 12
Views: 19,110
Posted By Butler Cox
Larry, Thanks for your thorough reply. ...

Larry,

Thanks for your thorough reply.

1) "Air Leaks - you should do both tests...pressure and vacuum."
Agreed.

2) Air Density - here in AZ we see corrected air density altitude is the...
Forum: Rotax Max powered by ShopMRPOnline.com 07-31-2011, 02:30 PM
Replies: 12
Views: 19,110
Posted By Butler Cox
Larry, Thanks for your reply. Pipe is...

Larry,

Thanks for your reply.

Pipe is as clean as we can determine by inserting long rods and probing around. Haven't yet put a camera in there as there isn't one real close by. Packing has...
Forum: Rotax Max powered by ShopMRPOnline.com 07-31-2011, 02:06 PM
Replies: 12
Views: 19,110
Posted By Butler Cox
Bruce: Results with PV cap off: Low end was...

Bruce:

Results with PV cap off: Low end was great, pulls like a trooper. Upper end goes through the 11,700 - 12,500 "dead - zone boggy like before except perhaps it pulls through slightly...
Forum: Rotax Max powered by ShopMRPOnline.com 07-27-2011, 09:08 AM
Replies: 12
Views: 19,110
Posted By Butler Cox
Bruce, Thanks for your quick reply and...

Bruce,

Thanks for your quick reply and suggestions.

When I can get to the track I'll try your idea of removing the PV cover & spring & see what happens. My gut is telling me that the PV is the...
Forum: Rotax Max powered by ShopMRPOnline.com 07-26-2011, 01:05 AM
Replies: 12
Views: 19,110
Posted By Butler Cox
Can Anyone Figure Out This FR125-SR Problem

The below has been sliced/diced/dissected and trisected by Rotax techs, savvy top racers, and others, but NOBODY can figure what's wrong...have you any ideas?

Problem: Mounted on a 2010 CRG...
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