| Author | Message | ||
     Sloppy |
Baker 5-spd builders kit and slight modification of shifter arm. Shifter pawl needs to be ground down so it doesn't prevent the detent plate from engaging 3rd & 4th gear. If interested I'll get you PN. What a difference. If you've thought about it and was wondering if you should do it, well, you should. I rate it an 11 out of 10. Nice work Baker. The tranny now shifts as well as my dirt bike! Very positive engagement at WOT. | ||
| Werewulf |
sounds good, how much work is involved for installation? | ||
| Scott_in_nh |
Sounds interesting - more info please! | ||
| Buellsrule |
Please send info. as my bike is currently torn down. Thanks, Frank. | ||
| Djkaplan |
What is the 'builders kit'? I have the Smooth Shift kit (drum, detent plate and spring) and did the shift pawl mod with good results. Thanks to those that went before me and posted their issue with the shift pawl... I actually had to grind on it twice to get it to clear the detent plate. These trapdoor transmissions are a delight to work with, aren't they! | ||
| Sloppy |
These are special order items -- they are not premade on the shelf so there is a decent lead time in getting them. I went with PN 111. You do need to swap a gear from the old tranny to this one so you do need access to lock ring pliers (tranny pliers). I'll post the PN's I replaced that you'll want to check the condition of. BAKER™ Sportster® 5-Speed Builder's Kits * BAKER 6061-T6 billet trap door. * Andrews aircraft alloy gears. Dog teeth have lead-in ramps for smoother shifting. * BAKER shift drums with conventional shift pattern (1-down, 4-up) or reverse pattern. * BAKER billet detent plate and low effort spring. P/N - Description 101 - Stock ratios; see XL6 section of this page 111 - 2.61 1st, stock 2nd-5th, 47 MPH in 1st 121 - 2.37 1st, 1.88 2nd, stock 3rd-5th; 52 MPH in 1st gear, 66 MPH in 2nd 131 - 2.03 1st, 1.67 2nd, 1.36 3rd, 1.16 4th, stock 5th, 61 MPH in 1st, 74 MPH in 2nd, 91 MPH in 3rd, 107 MPH in 4th http://www.steelthundercc.com/sportsterperformance .html | ||
| Sloppy |
PN's I replaced / modified are: 34492-91 (shifter pawl) -- the tangs that move the shifter drum loose their profile over time which made a sloppy shift drum rotation. 34076-89 (shifter shaft bushing) -- brass was corroded and scored (when I tried GL-5 oil?) so a new bushing helps tighten the clearance on the shifter shaft. 34015-91 (shifter shaft assembly) -- the end of this needed to be ground down to prevent interference with the detent plate. You have to shift through all the gears to see where you have clearance issues. It takes a few assembly / disassembly routines to get this correct. | ||
| Ratbuell |
I smoothed out my S1W's trans when it was out for a bad mainshaft bearing - new bearings throughout, a Bandit billet trapdoor, and micropolished everything. Smoother than my Uly, I love it! | ||
| Beachbuell |
""These trapdoor transmissions are a delight to work with, aren't they!"" One of the reasons I sold the XB. Not very mechanic friendly. The Tubers are a dream to work on! | ||
| Old_mil |
Didn't Baker make a 6 speed replacement set for Buells at one point? | ||
| Limitedx1 |
they still do | ||
| Grancuda |
So will this clear up the missing shifts under hard acceleration? Mine I have to make a conscious effort to shift and it has quite a bit of travel to make the shift. I have had the stock shifter, a '01 X1 shifter, a Banke Shifter all with the same exact results, missed shifts. It doesn't matter what gear I am going to, but if I am shifting fast under hard acceleration I will probably miss it and it will get between gears and I have to click it down and then shift it up again, this is probably the only problem I have with the 2 S1's I have had. | ||
| Dfbutler |
Before going to all that effort, try AMSOIL 20-50 motorcycle oil in the trans/primary. It worked wonders on my S3. | ||
| Djkaplan |
I started getting a missed shift problem with the 1-2, especially when shifting under power. The engagement dogs didn't look too bad on the countershaft gears that meshed, but I suspect that the inner splines where worn, causing the missed shifts. Replacing the two gears cost less than $100 and they were outrageously easy to change. Haven't had the problem since and the 1-2 is a LOT less clunky. It's smoother than on some Japanese bikes I've had. | ||
| Rich |
Trap doors are great. I put the taller 1st gear in mine when I had it apart to replace a shift fork. | ||
| Sloppy |
That 1-2 miss shift at WOT is what finally made me break down and buy the Baker kit. I've tried various lubes (amsoil, redline, M1, F+, GL-5, Syn3, etc.) and have rebuilt the tranny 3 times with the OEM gears. When I went to price the latest set of gears it was a huge cost increase due to the increase in metal prices world wide. So a mechanic suggested the Baker rebuild kit -- the Andrews gear sets already have lead in ramps, the billet plate door keeps clearances in place at high load and the drum detent plate doesn't slop from side to side nor do you risk the retaining clip from breaking. We have to remember that the tranny in these tuber bikes were designed for the Sportsters, not Buells. So now I can do full throttle, feather clutch "snick" shifts through all the gears. with no missed shifts. Even the dreaded 1-2 shift doesn't enter my mind anymore. But make sure you review my post above about the other parts to replace and to check for interference on. It took a few assemblies to get it right. It is a decent amount of money but I don't mind spending money if the value is there - similar to the quality of tools that people buy; Craftsman vs Proto / Snap-On / Klein. For me, it was well worth it. | ||
| Djkaplan |
Say what you will about Craftsman tools, but I never had to chase down a Sears or wait in a dark parking to get one replaced. | ||
| Sloppy |
Yea, I hear you DJ -- I just don't like to deal with Craftsman screw drivers and sockets that round out... it sure is convenient to get Craftsman replaced (except their torque wrenches which are NOT lifetime warranty). I consider Craftsman decent tools (it's what I started with), but I wouldn't recommend them for a Journeyman. But the nice thing about high end tools (Proto / Snap / Mac / etc) is that they haven't required any replacment and I've had them over 3 times longer... I'd rather have tools that don't need to have their warranty tested  YMMV | ||
| Xodot |
Dfbutler - Thanks for the tip on the Amsoil - I just bought some on your recommendations and I'll let you know if my S3 respond as well as yours did. I'm not having any problems shifting, just looking to maximize it's potential. Cheers. |
