Need help from an M7 owner.

Stevo · 02-01-2007, 05:55 PM

I need an M7 owner to measure the rear suspension springs on their sled. The length of the arms (short and long) is what I need, and the thickness as well, if possible.

My M8's suspension is overly stiff and shows no sign of softening with use. If I read the Cat part numbers correctly, the M7 spring has a diameter of .375 inch and the M8 .405 inch, so the M7 spring should be somewhat softer. I just need to find out if the overall dimensions are similar enough that they will interchange.

Summitric · 02-02-2007, 08:05 AM

DID YOU CONTACT YOUR CAT DEALER?? WHAT DID THEY SAY??? ARE YOU A BIG OR SMALLER GUY? WHAT IS THE TRACK LENGTH ON YOUR SLED(MAYBE THEY PUT THE LONGTRACK SPRINGS ON A SHORTER TRACK SLED?)JUST CAN'T SEE A SLED RIDING THAT ROUGH

.... THE M1000 THAT RODE WITH US LAST WEEKEND SEEMED TO RIDE OKAY AND HAD ABOUT NORMAL TRAVEL FROM WHAT I COULD SEE(COULDN'T TELL, HE WAS STUCK SO MUCH, I THOUGHT HE WAS "CATMANDO" FOR A WHILE THERE

-- JUST KIDDING) AND THE RIDER, WAS A SMALLER(BUT WIDER) FELLOW. KEEP US IN TOUCH ON THIS ONE.

Stevo · 02-02-2007, 12:54 PM

Dealer was no help other than to call up part numbers.

In full riding gear I'm about 210-215 lbs, sled moves maybe 1/2 inch when I climb on. It's a 153" and afaik the spring is a shared part for all suspension lengths.

OVERKILL 19 · 02-02-2007, 01:48 PM

Is your sled new, M8 I'm assuming ? You probably already looked but when J-MAN bought his new summit ,it was killer stiff we tried a bunch of adjusting then discovered a shipping bar from the factory was missed . Up inside the track suspension. Was hard to spot painted black and looked like it was meant to be thier. Just a shot in the dark. LOL

Summitric · 02-02-2007, 02:46 PM

Originally Posted by OVERKILL 19

Is your sled new, M8 I'm assuming ? You probably already looked but when J-MAN bought his new summit ,it was killer stiff we tried a bunch of adjusting then discovered a shipping bar from the factory was missed . Up inside the track suspension. Was hard to spot painted black and looked like it was meant to be thier. Just a shot in the dark. LOL

I BET OVERKILL19 IS RIGHT........I'VE HEARD OF THAT BEFORE TOO. SAW A GUY ON THE HILL PULL HIS OUT WHILE WE WERE UNLOADING OUR SLEDS.. SAID HIS SUSPENSION WAS ROCK HARD TOO, UNTIL HE UNDID THE SHIPPING BAR........ GOOD LUCK

OVERKILL 19 · 02-05-2007, 10:42 AM

STEVO have ya had any luck.Did ya find the problem.

Linkz · 02-05-2007, 06:04 PM

Just measured my spring on my '06 M7 EFI limited and it measures approx. 7/16" (.440) diameter with the long measurement being 17" and short being 4" to the inside if the coil, i did not have calipers handy for the diameter measurement, so i cant get a decimal reading but i asure you it is not .375" (3/8") Let me know if you need more info.

Stevo · 02-05-2007, 10:44 PM

Haven't had a chance to check guys, I've come down with pneumonia.

Thanks for the info and suggestions.

02-01-2007, 05:55 PM	#1 (permalink)
Stevo Member Join Date: Dec 2006 Location: Peace River Posts: 75 Casino Cash: $8000 Thanks: 11 Thanked 12 Times in 12 Posts	Need help from an M7 owner. I need an M7 owner to measure the rear suspension springs on their sled. The length of the arms (short and long) is what I need, and the thickness as well, if possible. My M8's suspension is overly stiff and shows no sign of softening with use. If I read the Cat part numbers correctly, the M7 spring has a diameter of .375 inch and the M8 .405 inch, so the M7 spring should be somewhat softer. I just need to find out if the overall dimensions are similar enough that they will interchange.

02-02-2007, 08:05 AM	#2 (permalink)
Summitric Senor Moderator Join Date: Oct 2006 Location: Edmonton/Sherwood Park Posts: 16,685 Casino Cash: $1191340 Thanks: 8,436 Thanked 7,060 Times in 4,057 Posts	Stevo DID YOU CONTACT YOUR CAT DEALER?? WHAT DID THEY SAY??? ARE YOU A BIG OR SMALLER GUY? WHAT IS THE TRACK LENGTH ON YOUR SLED(MAYBE THEY PUT THE LONGTRACK SPRINGS ON A SHORTER TRACK SLED?)JUST CAN'T SEE A SLED RIDING THAT ROUGH .... THE M1000 THAT RODE WITH US LAST WEEKEND SEEMED TO RIDE OKAY AND HAD ABOUT NORMAL TRAVEL FROM WHAT I COULD SEE(COULDN'T TELL, HE WAS STUCK SO MUCH, I THOUGHT HE WAS "CATMANDO" FOR A WHILE THERE -- JUST KIDDING) AND THE RIDER, WAS A SMALLER(BUT WIDER) FELLOW. KEEP US IN TOUCH ON THIS ONE. __________________ SUMMITRIC www.sledbunnyracing.com 2006 Summit 1000RT Highmark 162"(THUMPER) 2004 Summit 800X 151"(BLACKWRABBIT) 1998 Yamaha 600 Grizzly Member of Team Slim ALBERT BECK - HIGHMARKING IN THE HEAVENS - REST IN PEACE AUTHORIZED OFFICIAL GEARHEAD!

02-02-2007, 01:48 PM	#4 (permalink)
OVERKILL 19 Member Join Date: Dec 2006 Location: Red Deer Posts: 1,122 Casino Cash: $1015509 Thanks: 251 Thanked 324 Times in 231 Posts	Is your sled new, M8 I'm assuming ? You probably already looked but when J-MAN bought his new summit ,it was killer stiff we tried a bunch of adjusting then discovered a shipping bar from the factory was missed . Up inside the track suspension. Was hard to spot painted black and looked like it was meant to be thier. Just a shot in the dark. LOL __________________ Equal rights for everyone...special treatment for no one !!!

02-02-2007, 02:46 PM	#5 (permalink)
Summitric Senor Moderator Join Date: Oct 2006 Location: Edmonton/Sherwood Park Posts: 16,685 Casino Cash: $1191340 Thanks: 8,436 Thanked 7,060 Times in 4,057 Posts	Hey Stevo Originally Posted by OVERKILL 19 Is your sled new, M8 I'm assuming ? You probably already looked but when J-MAN bought his new summit ,it was killer stiff we tried a bunch of adjusting then discovered a shipping bar from the factory was missed . Up inside the track suspension. Was hard to spot painted black and looked like it was meant to be thier. Just a shot in the dark. LOL I BET OVERKILL19 IS RIGHT........I'VE HEARD OF THAT BEFORE TOO. SAW A GUY ON THE HILL PULL HIS OUT WHILE WE WERE UNLOADING OUR SLEDS.. SAID HIS SUSPENSION WAS ROCK HARD TOO, UNTIL HE UNDID THE SHIPPING BAR........ GOOD LUCK __________________ SUMMITRIC www.sledbunnyracing.com 2006 Summit 1000RT Highmark 162"(THUMPER) 2004 Summit 800X 151"(BLACKWRABBIT) 1998 Yamaha 600 Grizzly Member of Team Slim ALBERT BECK - HIGHMARKING IN THE HEAVENS - REST IN PEACE AUTHORIZED OFFICIAL GEARHEAD!

02-05-2007, 10:42 AM	#6 (permalink)
OVERKILL 19 Member Join Date: Dec 2006 Location: Red Deer Posts: 1,122 Casino Cash: $1015509 Thanks: 251 Thanked 324 Times in 231 Posts	STEVO have ya had any luck.Did ya find the problem. __________________ Equal rights for everyone...special treatment for no one !!!

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02-02-2007, 12:54 PM	#3 (permalink)
Stevo Member Join Date: Dec 2006 Location: Peace River Posts: 75 Casino Cash: $8000 Thanks: 11 Thanked 12 Times in 12 Posts	Dealer was no help other than to call up part numbers. In full riding gear I'm about 210-215 lbs, sled moves maybe 1/2 inch when I climb on. It's a 153" and afaik the spring is a shared part for all suspension lengths.

02-05-2007, 06:04 PM	#7 (permalink)
Linkz Member Join Date: Dec 2006 Location: Calmar,alberta Posts: 294 Casino Cash: $176799 Thanks: 73 Thanked 48 Times in 34 Posts	Just measured my spring on my '06 M7 EFI limited and it measures approx. 7/16" (.440) diameter with the long measurement being 17" and short being 4" to the inside if the coil, i did not have calipers handy for the diameter measurement, so i cant get a decimal reading but i asure you it is not .375" (3/8") Let me know if you need more info.

02-05-2007, 10:44 PM	#8 (permalink)
Stevo Member Join Date: Dec 2006 Location: Peace River Posts: 75 Casino Cash: $8000 Thanks: 11 Thanked 12 Times in 12 Posts	Haven't had a chance to check guys, I've come down with pneumonia. Thanks for the info and suggestions.

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