Raptor 660R 2nd gear - Yamaha Raptor Forum
 

» Recent Threads
oil tank bolt broke off
Yesterday 09:10 AM
Last post by badlukrappy
Today 06:40 AM
10 Replies, 84 Views
i wanna go faster
Yesterday 04:54 PM
Last post by rappie250
Today 06:34 AM
8 Replies, 62 Views
oil exhaust header/Valve...
Yesterday 11:46 PM
Last post by willykiller
Today 06:01 AM
2 Replies, 30 Views
Problems with both carbs...
Yesterday 10:51 AM
Last post by rappy raptard
Today 06:00 AM
19 Replies, 84 Views
Raptor 350 question
Yesterday 12:32 PM
by Dade
Last post by t web2007
Today 05:37 AM
3 Replies, 38 Views
Jetting suggestions:D
Yesterday 05:33 PM
Last post by willykiller
Yesterday 10:57 PM
2 Replies, 45 Views
03 660R popping out of...
10-19-2014 09:04 PM
by 03/660R
Last post by willykiller
Yesterday 10:56 PM
15 Replies, 137 Views
2015 Raptor 700
10-16-2014 11:57 AM
Last post by loudelectronics
Yesterday 09:28 PM
60 Replies, 1,635 Views
Street Quad
Yesterday 10:49 AM
Last post by badlukrappy
Yesterday 07:56 PM
5 Replies, 70 Views
What you haulin' with?...
02-02-2014 02:39 PM
by FknBoss
Last post by t web2007
Yesterday 07:41 PM
343 Replies, 14,000 Views
» Sponsors
Go Back   Yamaha Raptor Forum > Raptor 660 Categories > Raptor 660 Modifications

Reply
 
LinkBack LinkBack Thread Tools Display Modes
Old 04-02-2009, 01:35 PM   #1 (permalink)
Senior Member
 
lunnmj's Avatar
 
Join Date: Mar 2009
Location: South Africa
Posts: 130
Default Raptor 660R 2nd gear

The 2001/2002 Raptor 660R has a problem with breaking 2nd gear and you have to replace a number of gears and parts to modify the problem. I have broken 2nd gear twice now and have made a plan to correct the problem. The newer model has a 4 dog gear that is much stronger, but the mating gear is a different ratio 30 teeth where the old gear is 29 teeth. For this mod I have made a 29 tooth gear to mate with the 4 dogs of the improved Yamaha gear.
These gears are available from me for the mod. "lunnmj@webmail.co.za"
Now my 2nd gear is lasting as it is 66% stronger.
lunnmj is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 04-02-2009, 01:41 PM   #2 (permalink)
Senior Member
 
Join Date: Jan 2009
Location: KC, MO
Posts: 905
Default

The 2002 2nd gear has 4 dogs. Only the 2001 transmission had the 3 dog setup.

Do you have a website?
ta2tony is offline   Reply With Quote
Old 04-03-2009, 07:11 AM   #3 (permalink)
Moderator
 
Mad Dog's Avatar
 
Join Date: May 2005
Posts: 16,711
Default

So it's a more complicated and likely more costly solution to a problem that had already been resolved by the manufacturer?

The 02 swap is pretty commonplace, in fact there is a site all about the transmission issues. It's called www.raptortranny.com
__________________
Mike

Mad Dog is offline   Reply With Quote
Old 04-03-2009, 07:46 AM   #4 (permalink)
Senior Member
 
Join Date: Jan 2009
Location: KC, MO
Posts: 905
Default

I hate to be pessimistic but this kinda has 'scam' written all over it...
ta2tony is offline   Reply With Quote
Old 04-03-2009, 08:35 PM   #5 (permalink)
Senior Member
 
Join Date: Dec 2006
Posts: 2,062
Default

there was never anything wrong with the "strenght" of the gear, the problem is in the engagement dogs.
CoalShedRacing is offline   Reply With Quote
Old 04-04-2009, 12:28 AM   #6 (permalink)
Senior Member
 
1stwarrior95's Avatar
 
Join Date: May 2005
Posts: 2,230
Default

Hows that new 29 tooth gear mate with the next gear when it has to be the 02 up style to match the 4 dog gear....? hahaha

Better do some research man. The first 3 gear ratios are different and most of the trans has to be changed to swap in the newer style parts.
__________________
07 700 SE

03 660 Bone stock... Honest!

03/04 660 built from parts.
It's stock too of course...

85 FL350 Odyssey

86 V65 Magna

78 Mini Trail Z50
1stwarrior95 is offline   Reply With Quote
Old 04-04-2009, 12:36 AM   #7 (permalink)
Senior Member
 
ALKY BURNER's Avatar
 
Join Date: Mar 2009
Location: ARIZONA
Posts: 121
Default

Quote:
Originally Posted by Mad Dog View Post
So it's a more complicated and likely more costly solution to a problem that had already been resolved by the manufacturer?

The 02 swap is pretty commonplace, in fact there is a site all about the transmission issues. It's called www.raptortranny.com
I GOT A QUESTION? DOES a 660 raptor front sprocket nut is the same as a 350 warrior ? does anybody know . please reply.
__________________
790 RAPTOR on Alcohol by Kenz cycle Tech.
ALKY BURNER is offline   Reply With Quote
Old 04-14-2009, 11:46 AM   #8 (permalink)
Senior Member
 
lunnmj's Avatar
 
Join Date: Mar 2009
Location: South Africa
Posts: 130
Default

This is not a "scam" as you say, I have done the mod and it is the cheapest way out, only 2 gears to buy. I know the 2002 2nd gear has 4 dogs this is the one I used. It is stronger than the 3 dogs, 66% stronger "measure and calculate it before you chirp". Then I made a new matching gear with 29 teeth to fit in the 2001 box. By the way I bought my Raptor in beginning 2002 and it has this problem. Therefore it is a 2002 model built in 2001.
lunnmj is offline   Reply With Quote
Old 04-14-2009, 11:51 AM   #9 (permalink)
Senior Member
 
lunnmj's Avatar
 
Join Date: Mar 2009
Location: South Africa
Posts: 130
Default

Quote:
Originally Posted by Mad Dog View Post
So it's a more complicated and likely more costly solution to a problem that had already been resolved by the manufacturer?

The 02 swap is pretty commonplace, in fact there is a site all about the transmission issues. It's called www.raptortranny.com
I am aware of this site and have done extensive research, my method you keep all the parts except for the 4 dog gear that you buy from Yamaha and I make the mating gear with 29 teeth. As simple as that and cheap.
lunnmj is offline   Reply With Quote
Old 04-14-2009, 12:08 PM   #10 (permalink)
Senior Member
 
Join Date: Jan 2009
Location: KC, MO
Posts: 905
Default

Which 29 tooth gear? For instance on a 2003 transmission, the 21T 4th gear pinion is the gear that the 4 dogs on 2nd engage with. On the drive shaft the 2nd gear pinion must mesh with a 30 (THIRTY) tooth gear, not 29. You CAN NOT use a 2002+ 2nd pinion with a 2001 2nd gear wheel. The 4 dogs on the 2nd pinion will not engage with the 6 slots on an 01 4th pinion and the 2nd pinion of a 2002+ transmission has a different gearing ratio than the 2nd gear wheel found on the drive shaft. Using your gearing you will seize the transmission.

So as you said, "measure and calculate it before you chirp".
ta2tony is offline   Reply With Quote
Sponsored Links
Advertisement
 
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On
Trackbacks are On
Pingbacks are On
Refbacks are On


Powered by vBadvanced CMPS v3.2.2

All times are GMT -5. The time now is 07:14 AM.




Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO 3.6.1
Content Relevant URLs by vBSEO 3.6.1
RaptorForum.com is an independent Yamaha enthusiast website. Content on RaptorForum.com is generated by its users and RaptorForum.com is not in any way affiliated with Yamaha Motor Corporation, U.S.A.
Inactive Reminders By Mished.co.uk and FTP-Anime.com