onlyblue4stroke
Veteran
broke the secondary shaft on my 07 phazer FX at the end of last winter. Has anyone else encountered this and how can I get a reliable (whole) assembly without breaking the bank.. any input would be appreciated.
Snowmixer
Pro
- Joined
- Oct 29, 2010
- Messages
- 188
- Location
- Snohomish, Washington
- Country
- USA
- Snowmobile
- 2007 Phazer Mountain Lite
2008 Phazer MTX
2012 Arctic Cat M800 153
I remember reading about some others that had this same problem, here's a link to that thread: http://www.ty4stroke.com/threads/broken-jack-shaft.127411/
As for how to go on from here, I would probably just replace the jackshaft itself. The reverse gearbox is not as complex as it may seem, you basically need an Allen wrench and snap ring pliers to disassemble it, and ideally a good camera to take pics as you go (so you can see how things were if you don't remember). I have seen several entire reverse gearbox/jackshaft assemblies for sale, but they're all used and you'd be getting another used component with an unknown history.
If I remember correctly, a new jackshaft is around $215 from Yamaha, but I'd also replace the gasket (between the gearbox halves) and some of the bearings in the gearbox, which would add to the cost. This would also be a good time to replace the oil feed pipe/grommet that has caused many others to leak chaincase oil periodically on the '07 models. And since you'd have to remove the exhaust to get the gearbox out, it would be a good time to check/replace the exhaust donuts as well. I'm glad I checked mine this summer, one of the clamps was completely off the pipe! Anyway, here's a few links describing the reverse gearbox and chaincase oil leak issues:
Chaincase Oil Leak: http://www.ty4stroke.com/threads/07-fx-chain-case-leak.122264/
Reverse Gearbox Inspection: http://www.ty4stroke.com/threads/reverse-gear-box-inspection.123019/#post-1101226
Good luck!
As for how to go on from here, I would probably just replace the jackshaft itself. The reverse gearbox is not as complex as it may seem, you basically need an Allen wrench and snap ring pliers to disassemble it, and ideally a good camera to take pics as you go (so you can see how things were if you don't remember). I have seen several entire reverse gearbox/jackshaft assemblies for sale, but they're all used and you'd be getting another used component with an unknown history.
If I remember correctly, a new jackshaft is around $215 from Yamaha, but I'd also replace the gasket (between the gearbox halves) and some of the bearings in the gearbox, which would add to the cost. This would also be a good time to replace the oil feed pipe/grommet that has caused many others to leak chaincase oil periodically on the '07 models. And since you'd have to remove the exhaust to get the gearbox out, it would be a good time to check/replace the exhaust donuts as well. I'm glad I checked mine this summer, one of the clamps was completely off the pipe! Anyway, here's a few links describing the reverse gearbox and chaincase oil leak issues:
Chaincase Oil Leak: http://www.ty4stroke.com/threads/07-fx-chain-case-leak.122264/
Reverse Gearbox Inspection: http://www.ty4stroke.com/threads/reverse-gear-box-inspection.123019/#post-1101226
Good luck!
hibshman25
Vendor
- Joined
- Sep 25, 2005
- Messages
- 2,865
- Age
- 40
- Location
- Lebanon, PA 17042
- Country
- USA
- Snowmobile
- 2017 sidewinder ltx dx
2018 snoscoot
I have good low mileage jackshafts and rev gear box assemblies. Could sell whole assembly if you don't want to take the gear box apart. Send me a pm if interested.
