TTI gb info please

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seattle##gs

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The TTI gb is installed and working just fine. My question is neutral. There seems to be little or no detent between first and second so I need to ease it into neutral or it will zip right past it into another gear. The TTI gb is more for racing so perhaps a strong neutral isn't required, do not know what to expect. 4-speed.
 
This might sound daft, but, are you sure you‘re looking for neutral in the right place and you’re not looking between 3rd and 4th ?

Finding neutral on mine (5 speed HD) is a breeze.
 
Same first time I rode mine I wasn't in neutral but between 4th & 5th lol
 
seattle##gs said:
I am definitely in the correct gear.
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Then there may be a problem with the box! My TTi has a clear neutral selection, unless my clutch is out of adjustment. Like the other guys, I can find one between 3rd/4th and maybe sometimes 4th/5th.

Some people have discovered Bruce's little wrinkle where the drum is reversed to 'standard' unless you specify otherwise. He assumes you will fit the lever facing the rear of the bike!

Somewhere on here there will be a story about Gary Thwaites nearly wrecking a box for Dave Watson by using the wrong neutral, and our old friend Acotrel has told us many times about getting supplied the wrong drum!
 
Sounds like something isn’t right then to me. Although I’ve no experience with the 4 speed.
 
Bare with, but wouldn't it be kind of obvious that 4th or 3rd was not first gear? Launches would be really hard on the clutch. ;)
 
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SteveA said:
BTW, a TTi box is 'very heavy' ;)
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Steve, is that heavy in shifting or just heavy?
Looking at the very thick castings and skookum shafts, I'm guessing it is heavy as in hard to pick up?

Glen
 
worntorn said:
Steve, is that heavy in shifting or just heavy?
Looking at the very thick castings and skookum shafts, I'm guessing it is heavy as in hard to pick up?

Glen
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Weighty, mucho kilos!

Physically heavy, it is part of why they are so robust. The cases are thick, the gears are wide. Even the magnesium ones are heavier than a Quaife!.

Light shift. Strong.
 
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Any idea of the weight increase over the AMC box?
Would it be 10 lbs or more?

Glen
 
worntorn said:
Any idea of the weight increase over the AMC box?
Would it be 10 lbs or more?

Glen
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I think Mick Hemmings used to be able to tell you to the ounce! ;)

I think it is less than 10lb, but not much.

Certainly if you are going to fit one you need to lose weight elsewhere, for example my Norman White belt drive weighs less than most, partly because I chose a ratio of 35/65.
Schwany said:
Bare with, but wouldn't it be kind of obvious that 4th or 3rd was not first gear? Launches would be really hard on the clutch. ;)
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Schwany, that was Gary's problem.....it was with the 1007, which I guess would pull away in 5th!

I heard the story and thought what you did, but I was hearing it from a source close to the event, i.e. Mr Watson!
 
Did you get any info from TTI ?

Did you get to the bottom of this ?

You know how we crave closure !!
 
Yes wot happened? I just looked at mine, it is still attached to the bike and it is still heavy and strong. I should have polished the
outer cover though...
 
Fast Eddie said:
This might sound daft, but, are you sure you‘re looking for neutral in the right place and you’re not looking between 3rd and 4th ?

Finding neutral on mine (5 speed HD) is a breeze.
Click to expand...
When I bought my TTI gearbox, I presumed it would come with the normal Norton shift direction. I ended up sending the selector drum back to Bruce after he sent me a replacement. With most gearboxes you can change the shift direction by fiddling the linkages. Bur the TTI box is about an inch longer, and everything tangles.. Did you know an 850 Commando can accelerrte rapidly away from a standstill in top gear if you rev the motor high and slip the clutch? - I almost put it through a fence.
 
As for the MK3 version, don't bother, it does not fit unless you modify the cradle and primary drive. Apparently they think all the input shafts through the inner cover are square to the cover and not angled, I tried to explain but was told I was wrong. And yes, I have their reply.
 
I contacted TTI and they weren't sure what I was taking about. The bike has been at a standstill because of weather, getting back on it today. I am using gearbox oil recommended by TTI. Selection of first is useable with care. Will continue on.
 
It's not clear from your original post. But I guess you are saying you purchased and fitted a new box and your problem is neutral section?

One difference between a TTi and Norton box is the clutch actuation. And if you don't clear the clutch fully then neutral selection isn't easy, but of course you also have clutch drag.

Brooking 850 and I have both had problems with clutch actuation at some point. The part used is a Triumph 3 ball actuator, One element is the clutch lever itself, which needs the full pivot distance to lift enough.

Just and idea to check the clutch lever, cable and actuator.

The only other problem I have had is one time when I pulled the gearset cassette and drum, the drum hung up on reassembly! Which I discovered on bench test, so no big deal to open it up again

Stripped it again and then just put a trace of fine grinding past on the end of the drum and lapped it in a few strokes. Cleaned it all up and reassembled, no problem.
 
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