Rearend gears ?

Caltoon · 03-22-2010, 06:25 PM

I just received a new set of 6-1 Gears to replace the stock 12-1 for my yahama G-16e I was just wondering how hard it will be to do the install.. do I need any special tools ? it just looks like four bolts and the pinion gear slides in.
also is the gear oil just steight 140 weight ?
Thanks.........

smallblock450sl · 03-22-2010, 07:44 PM

Quote:

Originally Posted by Caltoon

I just received a new set of 6-1 Gears to replace the stock 12-1 for my yahama G-16e I was just wondering how hard it will be to do the install.. do I need any special tools ? it just looks like four bolts and the pinion gear slides in.
also is the gear oil just steight 140 weight ?
Thanks.........

Well alittle more envolved then that. The ring/diff is held on with 4 bolts, but...you'll need to pull the axles, the "blind" caps (like freeze plugs) will need to be taken off (did you get new ones?) , the shaft for the gear the ring rides on is not the easiest to get out (has bearings on both sides). I would suggest, pull the motor, pull the rear end, get it on a bench, pull the input shaft, pull the axles, take out the 4 bolts (keep the caps as they came off), pull the ring/diff assy, drill the caps (in the center with a 1/8 bit and use a screw to get them off, that's why I recomended new caps), you'll need to tap the bearings/shaft to (wrangle) it out. Then reinstall in reverse order. 90 weight gear lube. Then go fast.. on flat ground, hills will be a differant story. Good luck on your install. Dave

Caltoon · 03-22-2010, 08:31 PM

Thanks, Dave
I sure am glad you got back to me I would have been in deep poop without the advise I THOUGHT IT WAS A LOT EASIER THEN THAT. They dont tell you this when you buy them

Caltoon · 03-22-2010, 08:32 PM

Thanks, Dave
I sure am glad you got back to me I would have been in deep poop without the advise I THOUGHT IT WAS A LOT EASIER THEN THAT. They dont tell you this when you buy them

bigk · 03-22-2010, 08:36 PM

Quote:

Originally Posted by smallblock450sl

Well alittle more envolved then that. The ring/diff is held on with 4 bolts, but...you'll need to pull the axles, the "blind" caps (like freeze plugs) will need to be taken off (did you get new ones?) , the shaft for the gear the ring rides on is not the easiest to get out (has bearings on both sides). I would suggest, pull the motor, pull the rear end, get it on a bench, pull the input shaft, pull the axles, take out the 4 bolts (keep the caps as they came off), pull the ring/diff assy, drill the caps (in the center with a 1/8 bit and use a screw to get them off, that's why I recomended new caps), you'll need to tap the bearings/shaft to (wrangle) it out. Then reinstall in reverse order. 90 weight gear lube. Then go fast.. on flat ground, hills will be a differant story. Good luck on your install. Dave

What will be the deal on the hill's ? If go fast on flat ground ?

smallblock450sl · 03-22-2010, 09:01 PM

Quote:

Originally Posted by bigk

What will be the deal on the hill's ? If go fast on flat ground ?

Torque, lower gear ratio, faster,but you lose gearing for torque. I hope that is what you were asking.

Caltoon · 03-22-2010, 09:02 PM

is there a way to salvage the old caps?

smallblock450sl · 03-22-2010, 09:04 PM

Quote:

Originally Posted by Caltoon

Thanks, Dave
I sure am glad you got back to me I would have been in deep poop without the advise I THOUGHT IT WAS A LOT EASIER THEN THAT. They dont tell you this when you buy them

You'll be fine. If anyone of us can help, just post and Pic's really help.

Caltoon · 03-22-2010, 09:04 PM

Dave, will I be able to get the cart up the ramp to get on the back of My P-U
truck?

smallblock450sl · 03-22-2010, 09:09 PM

Quote:

Originally Posted by Caltoon

is there a way to salvage the old caps?

I have not found a way, but there are alot smarter people then me on this site. Maybe they will post. I guess, you could fill the holes with silcone, I just replace them. Your going to have one fast car! Wana race against Wilson?

03-22-2010, 06:25 PM	#1
Caltoon Not Yet Wild Join Date: Jun 2008 Location: Brick NJ Posts: 36	Rearend gears ? I just received a new set of 6-1 Gears to replace the stock 12-1 for my yahama G-16e I was just wondering how hard it will be to do the install.. do I need any special tools ? it just looks like four bolts and the pinion gear slides in. also is the gear oil just steight 140 weight ? Thanks.........

03-22-2010, 08:31 PM	#3
Caltoon Not Yet Wild Join Date: Jun 2008 Location: Brick NJ Posts: 36	Re: Rearend gears ? Thanks, Dave I sure am glad you got back to me I would have been in deep poop without the advise I THOUGHT IT WAS A LOT EASIER THEN THAT. They dont tell you this when you buy them

03-22-2010, 08:32 PM	#4
Caltoon Not Yet Wild Join Date: Jun 2008 Location: Brick NJ Posts: 36	Re: Rearend gears ? Thanks, Dave I sure am glad you got back to me I would have been in deep poop without the advise I THOUGHT IT WAS A LOT EASIER THEN THAT. They dont tell you this when you buy them

03-22-2010, 09:02 PM	#7
Caltoon Not Yet Wild Join Date: Jun 2008 Location: Brick NJ Posts: 36	Re: Rearend gears ? is there a way to salvage the old caps?

03-22-2010, 09:04 PM	#9
Caltoon Not Yet Wild Join Date: Jun 2008 Location: Brick NJ Posts: 36	Re: Rearend gears ? Dave, will I be able to get the cart up the ramp to get on the back of My P-U truck?

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