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Old 01-04-2017, 07:37 AM
tazmonster tazmonster is offline
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Default Pro 800 sparkplug

I just buy a 2011 pro rmk, 4500 km with new top end compression is good.

When I star my sled run ok (cold srat), after one minute I decide to start my run and rev up a bit and blow a sparkplug, why?

Someone try br9eya sparkplug, is ok to run it?
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Old 01-04-2017, 11:44 AM
Opie Opie is offline
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I been running bpr9es or a bpr7es
Ngk
2013 pro haven't had any issues

Check the color chocolate brown good
Wet black to rich
And aluminum not good
Good luck
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Old 01-04-2017, 11:46 AM
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what do you mean by "blow a spark plug"?

like blows out of the head? or just fouls out?

Without major engine/performance modifications, I'd leave the stock plug in there. BPR9ES.
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Old 01-04-2017, 12:20 PM
tazmonster tazmonster is offline
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Fouling sparkplug
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Old 01-04-2017, 01:20 PM
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Just one side doing it, or both?

Do you have good spark on both cyls?
Might try clipping 1/4" off the wires, on both the coil and cap sides.
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Old 01-04-2017, 01:22 PM
tazmonster tazmonster is offline
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already cut cable
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Old 01-04-2017, 02:05 PM
tazmonster tazmonster is offline
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It is good to warmup the sled before ridding? How long I need to warmup
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Old 01-04-2017, 03:25 PM
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Quote:
Originally Posted by tazmonster View Post
It is good to warmup the sled before ridding? How long I need to warmup
YES! Absolutely make sure it's up to temp before ripping on it.
I might putt along if it's cold, maybe into or out of the truck, but I won't ride it hard if it's under 100F.
Also watch for cold-shock after it sits for a while. Motor will heatsoak but the coolant in the heat exchanger/tunnel will cool off... when you first fire it up, the temp will start warm and drop as soon as the coolant in the HE/tunnel gets pumped through the cyl and head.
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Old 01-04-2017, 03:41 PM
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Thanks
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