Need help with diagnosis on 2017 Axys

PresidentAl · May 17, 2017

With 875 miles. Did the old, shimmy, shimmy, big backfire, then dead. Temp was about 155F at the time, springtime climbing Temp. Just out of the Cabin about a mile. Warmed up properly. Nothing out of the normal.

Will restart under half to full throttle only, and then dies when returns to idle like it isn't getting fuel. Pull plugs, LH normally wet but RH was bare dry with a red/brown burnt look.

AKFULLTHROTTLE · May 17, 2017

Possibly reeds

Murph · May 17, 2017

PresidentAl said:
With 875 miles. Did the old, shimmy, shimmy, big backfire, then dead. Temp was about 155F at the time, springtime climbing Temp. Just out of the Cabin about a mile. Warmed up properly. Nothing out of the normal.

Will restart under half to full throttle only, and then dies when returns to idle like it isn't getting fuel. Pull plugs, LH normally wet but RH was bare dry with a red/brown burnt look.

Hmmmm......

Axys motors will idle on one cylinder (unlike Pro-Rides).

Normally aspirated or Turbo?

When it starts under half to full throttle will it move sled? Does power feel "normal" once it gets moving?

What have you been running for gas? Is it possible you got bad or contaminated gas?

875 miles--Original plugs?

How do the stator plugs look-- I've seen quite a few melt out the plugs.

Have you ohm'd out the stator and looked for shorts?

Gauge cluster still working, headlights, etc?

VR smell or look burned?

Can you put DC power to fuelpump prime plug and hear the pump run?

PresidentAl · May 17, 2017

Axys info

No turbo
Immediately changed plugs, belt. Same issue
Gas worked fine in other sleds riding with me
Ran it rough, giving it a hand of throttle to get it onto sled deck

Murph · May 19, 2017

Have you checked compression?

Or looked at stator/ connections yet?

PresidentAl · May 25, 2017

Dealer tore it down and found a failed crank seal !!!!!!!

AKFULLTHROTTLE · May 25, 2017

Hmmmm, never heard a seal doing that...

Wheel House Motorsports · May 25, 2017

AKFULLTHROTTLE said:
Hmmmm, never heard a seal doing that...

Failed crank seal would result in some serious lean conditions and very poor runability and possible top end damage from lean condition.

AKFULLTHROTTLE · May 25, 2017

Wheel House Motorsports said:
Failed crank seal would result in some serious lean conditions and very poor runability and possible top end damage from lean condition.

I understand it will cause damage at some point just never had one not run while leaking. I have had a high idle that holds and such but just not one that would not run.

I guess if it was that bad it could but at that point I would say you have some internal damage to go with it.

Of course there is a new way to break down everyday!

kiliki · May 25, 2017

the backfire can also damage the cranks seal. but it will have something else for problems to cause the backfire.

sno_mo_racer · May 29, 2017

I agree with the others. Lost a few seals due to bad backfires. There is still a problem lurking and if not found will blow a seal again IMO.

blacklabel28 · May 30, 2017

Did you ever grenade a belt that got behind the primary and secondary?

snowracer21 · May 30, 2017

blacklabel28 said:
Did you ever grenade a belt that got behind the primary and secondary?

^^^ number one culprit for a failed crank seal. those fibers go EVERYWHERE

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Need help with diagnosis on 2017 Axys

PresidentAl

Free Member

AKFULLTHROTTLE

Well-known member

Murph

Polaris Moderator/ Polaris Ambassador/ Klim Amb.

PresidentAl

Free Member

Murph

Polaris Moderator/ Polaris Ambassador/ Klim Amb.

PresidentAl

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AKFULLTHROTTLE

Well-known member

Wheel House Motorsports

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AKFULLTHROTTLE

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kiliki

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sno_mo_racer

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blacklabel28

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snowracer21

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