1975FA
Expert
12,600 on my 2008 RTX
SXRPILOT
Extreme
- Joined
- Oct 1, 2005
- Messages
- 63
- Location
- Mount Albert, Ontario
- Country
- Canada
- Snowmobile
- 2018 50th Anniversary Sidewinder LTX
19,560 on a 2009 XTX
7500km on MCX 190 kit. Sounds from this thread that It's barely a drop in the bucket.
Are you high mileage guys doing ANY engine maintenance or just let her run as is.
Replaced
Chain
Track
Driver bearings and secondary clutch bearings
Bogie wheel bearing
Are you high mileage guys doing ANY engine maintenance or just let her run as is.
Replaced
Chain
Track
Driver bearings and secondary clutch bearings
Bogie wheel bearing
Seavey82
Pro
7000.. 13 xtx 1.75. Still love the sled!
4strokes
Expert
- Joined
- Mar 13, 2018
- Messages
- 323
- Age
- 52
- Location
- charlemont ma
- Country
- USA
- Snowmobile
- 18 winder xtx 09 nytro xtx 06 apex gt
25000 mi, gets better every ride. winder sitting in the shop waiting for parts
yamahinn03
TY 4 Stroke Guru
- Joined
- Dec 28, 2004
- Messages
- 756
- Age
- 58
- Location
- oshkosh, wi
- Country
- USA
- Snowmobile
- 12 Nytro XTX (mine)
06 Apex GT (wifes)
07 Phazer (#2 sons)
02 Viper (#1 Sons)
11,870, Ready for more next season!!
Farmer 73
Lifetime Member
- Joined
- Feb 20, 2015
- Messages
- 411
- Age
- 66
- Country
- USA
- Snowmobile
- 2010 NYTRO RTX SE, 2012 VECTOR, 2001 SXR 600, 2001 PHAZER, 2000 PHAZER, 1983 ENTICER EXCELL III
With these Nytro's now with a lot of miles on, are any in need of valve adjustments like we are seeing on some Vipers?
4strokes
Expert
- Joined
- Mar 13, 2018
- Messages
- 323
- Age
- 52
- Location
- charlemont ma
- Country
- USA
- Snowmobile
- 18 winder xtx 09 nytro xtx 06 apex gt
yes, did mine at like 23000 mi. exhaust were 1/2 way tight. vipers are well known to be way worse. I assume the rear exhaust keeps valve temp down?????
Farmer 73
Lifetime Member
- Joined
- Feb 20, 2015
- Messages
- 411
- Age
- 66
- Country
- USA
- Snowmobile
- 2010 NYTRO RTX SE, 2012 VECTOR, 2001 SXR 600, 2001 PHAZER, 2000 PHAZER, 1983 ENTICER EXCELL III
So I guess I'm still good at 9000 miles?yes, did mine at like 23000 mi. exhaust were 1/2 way tight. vipers are well known to be way worse. I assume the rear exhaust keeps valve temp down?????
4strokes
Expert
- Joined
- Mar 13, 2018
- Messages
- 323
- Age
- 52
- Location
- charlemont ma
- Country
- USA
- Snowmobile
- 18 winder xtx 09 nytro xtx 06 apex gt
If I remember right, they were sold to be good for 25000, and that is pretty much it. I wouldn't bother until at least 20. thing is, once a valve is to tight, it goes bad really quick. just took .01 off a snowblower ex valve this morning. ran like new. it is obvious there are many engines known to be an issue. with snowblowers, it seems to me the carb issues cause it to burn, then even with a good carb, the damage is done. I paid close attention to nytros and vipers, and I believe a lot of vipers had valve issues 10000 or less. I am about as likely to get rid of my nytro as I am my kabota tractor.So I guess I'm still good at 9000 miles?
Gone Blue
VIP Member
- Joined
- Oct 11, 2006
- Messages
- 1,628
- Age
- 62
- Location
- Howell, Michigan
- Country
- USA
- Snowmobile
- 08' Nytro RTX 40th Anniversary - Stretched
Its great to see all the higher mileage Nytro's out there. There has always lots of talk about high mileage Apex and Vectors. Nice to be able to add the Nytro to that list. I bought my 08' with 6,000 miles on it and completely rebuilt and modified it from top to bottom with all except the motor and clutches. In 2 seasons I put 2,300 miles on it so with a total of 8,300 miles I look forward to many more enjoyable miles on it. G.B.
mbeaunh
Newbie
- Joined
- Sep 18, 2016
- Messages
- 13
- Age
- 59
- Location
- N.H.
- Country
- USA
- Snowmobile
- 2013 Nytro XTX, 2014 Viper RTX
Just over 4k on my 13 XTX.
Ball joints last season. That's it.
Ball joints last season. That's it.
Snowman871
Lifetime Member
- Joined
- Feb 9, 2010
- Messages
- 278
- Location
- Woodville, WI
- Country
- USA
- Snowmobile
- 2024 Polaris Assault 850
Closing in on 8k with my 09 XTX
Hooray!
TY 4 Stroke Junkie
- Joined
- Aug 12, 2017
- Messages
- 707
- Location
- Maine USA
- Country
- USA
- Snowmobile
- 2009 Yamaha FX Nytro XTX
1998 Yamaha VMAX 700 XTC
15,800 miles on my 2009 XTX. Everything I have done is documented on my Front End+ Rebuild thread... Nothing to engine, not even plugs since I have had her... Pretty much all the normal wear parts, all the bushings and seals, starter. She runs strong, I have learned start with no gas and let warm up thoroughly whether 40 F or -30 F, if I don't, need to add a little throttle and keep revs up just below clutch engagement until warmed up or she stalls. Otherwise, love this sled, dialed in now and even when a friend lets me ride his brand new sled, I want to get back on my super smooth Nytro!
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