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Buell Forum » Old School Buell » M2 Cyclone » Archive through June 05, 2008 » Keep missing second gear. « Previous Next »

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Beachbuell
Posted on Sunday, May 18, 2008 - 06:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

When shifting from first gear and going into second the bike fights to go in second. It doesn't grind gears or anything it just goes into neutral. This doesn't happen all the time, but it does happen often enough. I'm going to do a full service on the bike this week, including a new front tire. I'll see if fresh primary fluid and a clutch adjustment makes any difference. Its like I have to guess if I'll get second gear or neutral. Not something you want to "guess" about! 36K miles and going strong!
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Littlebuggles
Posted on Monday, May 19, 2008 - 12:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What kind of fluid in your tranny?

If I let the shop service the bike they always put sport-trans in, switching to synth makes shifting much easier and missing gears doesn't happen so much.
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Beachbuell
Posted on Monday, May 19, 2008 - 09:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

HD Formula + is in there now.
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Skinthead
Posted on Monday, May 19, 2008 - 10:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Littlebuggles, what synthetic are you running? I am interested in changing mine out as well since I am having the same shift into neutral issue as beach....

Skint
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Djkaplan
Posted on Monday, May 19, 2008 - 12:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Have you tried adjusting the shift pawl?

No matter what the problem is, the transmission on a tuber is easy to work on.
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Werewulf
Posted on Monday, May 19, 2008 - 12:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

have you adjusted your primary chain... that makes finding neutral a chore and missing gears...
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Beachbuell
Posted on Monday, May 19, 2008 - 03:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Like I said I'm doing a full service on the machine this week and will do all the adjustments INCLUDING the pawl adjustment. I think (hope) this solves my missing second issue!
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Captainkirk
Posted on Tuesday, May 20, 2008 - 12:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

CAREFULLY examine the shift drum for backing out pins, the C-clip for cracks, and the star-shaped detent plate for wear and sideplay while adjusting the pawl. This is a high-failure part in this motor! Generally what happens is, the pins back out, putting stress on the c-clip, it cracks and allows the detent plate to twist sideways and wear unevenly...now the shift pawl doesn't work correctly-Presto! Hard shifting!
The new, improved detent plate is made of a harder material and the profile is improved. Probably worth your while to upgrade anyway as long as you're in there. And if your c-clip hasn't broken yet, it will.
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Bad_karma
Posted on Tuesday, May 20, 2008 - 01:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ferris
Before you get too far into this a couple of things. Check your fluid level, adjust your clutch and inspect, adjust your primary chain and adjust your shifter.
Joe
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Djkaplan
Posted on Tuesday, May 20, 2008 - 11:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I think a 2001 M2 has the most updated detent plate... no?
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Djkaplan
Posted on Tuesday, May 20, 2008 - 11:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you're going to go in far enough to adjust the shift pawl, you'll only be a minute away from from taking the entire transmission out. Might be a good idea to inspect the trenches in the shift drum for galling or unusual wear.

It makes for an interesting day the first time you take one of these transmissions out... like exploring a new world without leaving your garage.
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Beachbuell
Posted on Tuesday, May 20, 2008 - 11:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Detent plate OEM, part number is 33653-90A and that is the most updated number. I'll be in there sometime tomorrow and will let you know what I find!
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Captainkirk
Posted on Wednesday, May 21, 2008 - 12:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Good on the detent plate. Just check those pins and that nasty little clip!
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Captainkirk
Posted on Wednesday, May 21, 2008 - 12:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here's some photos of what to look for....
First, the differences in detent plates, old VS new
Next, the shift drum pins...backing out.
Last, the nasty little (cracked!) C-clip.
Difference

Pins

clip
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Beachbuell
Posted on Wednesday, May 21, 2008 - 06:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Great photos! Thanks Captain!
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Beachbuell
Posted on Wednesday, May 21, 2008 - 10:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Done! All it needed was the shifter arm and pawl adjusted. I also put a new front tire (Pirelli, Scorpion Sync) on and did a full service. Man she is purring like an angry Lion, I love it! All she needs now is a good bath and a waxing. On a side note...... I'm going to have to order a new primary cover. The original owner who I bought the bike from "did his own maintenance". He stripped the hell out of the inspection cover, derby cover and primary chain adjustment.
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Captainkirk
Posted on Wednesday, May 21, 2008 - 11:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Don't buy a new cover! Helicoils will work just fine in this situation. You can get them from most auto parts stores, but NAPA for sure! The tool with drill bit and inserts is only about 30.00......way less than the cost of a primary cover.
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Captainkirk
Posted on Wednesday, May 21, 2008 - 11:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

One additional note;
the newly Heli-coiled threads, now steel, won't strip....ever again. So, your repaired primary is BETTER than new!
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Beachbuell
Posted on Thursday, May 22, 2008 - 09:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm looking at just under $200 for a new primary cover, derby cover and inspection cover (all in black), including new hardware.
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Reepicheep
Posted on Thursday, May 22, 2008 - 03:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I did my own maintenance on the M2, being careful with the torque specs, and mine stripped as well... Not a big deal, as stated, the helicoil repairs work perfectly.
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