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1968 500 jammed kickstart #701968
07/16/17 9:51 pm
07/16/17 9:51 pm
Joined: Sep 2009
Posts: 629
SEATTLE WA
S
SEATTLE GS Offline OP
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SEATTLE GS  Offline OP
BritBike Forum member
S
Joined: Sep 2009
Posts: 629
SEATTLE WA
this is a friend's bike...the kickstart jams when trying to kick it over. If he puts it into gear and bumps it, it will free up but quickly jam again. What parts would be necessary to solve this problem? The kickstart assembly is very much liker a Norton so I think the pawl is the problem but how about the gear it fits into? any ideas/

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Re: 1968 500 jammed kickstart [Re: SEATTLE GS] #702001
07/17/17 11:38 am
07/17/17 11:38 am
Joined: Dec 2006
Posts: 262
Stamford
paulberry Offline
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paulberry  Offline
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Joined: Dec 2006
Posts: 262
Stamford

It should be fairly obvious what's jamming by inspecting the gears, selectors etc. Your'e going to have to go in there to fix it anyway.

Cheers Paul


1969 T100S
1955 Tiger Cub
Re: 1968 500 jammed kickstart [Re: SEATTLE GS] #702010
07/17/17 1:27 pm
07/17/17 1:27 pm
Joined: Nov 2006
Posts: 237
USA, WA state
R
russrudolph Online content
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russrudolph  Online Content
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R
Joined: Nov 2006
Posts: 237
USA, WA state
My 1970 t120 engine does the same thing. Annoying but still usable. Will watch this discussion.
Dave hope to see you at Tenio swap meet again. Russ

Re: 1968 500 jammed kickstart [Re: SEATTLE GS] #702017
07/17/17 5:17 pm
07/17/17 5:17 pm
Joined: Sep 2009
Posts: 629
SEATTLE WA
S
SEATTLE GS Offline OP
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SEATTLE GS  Offline OP
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S
Joined: Sep 2009
Posts: 629
SEATTLE WA
Its the time frame ...I need to get it done in a week

Re: 1968 500 jammed kickstart [Re: NickL] #702116
07/18/17 2:38 pm
07/18/17 2:38 pm
Joined: Nov 2006
Posts: 237
USA, WA state
R
russrudolph Online content
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russrudolph  Online Content
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R
Joined: Nov 2006
Posts: 237
USA, WA state
Thanks

Re: 1968 500 jammed kickstart [Re: SEATTLE GS] #702146
07/18/17 9:39 pm
07/18/17 9:39 pm
Joined: Oct 2003
Posts: 11,148
North Georgia, USA
RF Whatley Online content
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RF Whatley  Online Content
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North Georgia, USA
There is no separate kick start quadrant on a T100, like there is an a 650/750. It's made onto the kickstart shaft.

So I'm thinking you'll need the k/s shaft, the needle roller that goes inside the shaft (if not included), the k/s pawl, the 1/8" dia split cotter x 1" long (or longer), and maybe the k/s return stop plate. You'll need the 2 cover gaskets and some gear oil. I have never seen the first gear damaged from a sick k/s pawl.

Since you have to go all the way inside the g/b, I'd also replace all the coil springs in the shifter mechanism and cam plate plunger if you don't know them to be less than 20 years old. Replacing the o-ring and seals on the gear shift and k/s shafts wouldn't be a bad idea either.


If it's not the pawl causing the issue, then it's usually damage caused by allowing the k/s lever to fly back up. The T100 return stop boss is very small and often mushrooms or peens over in strange ways when owners watch too much West Coast Chopper.

bigt


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA

"Shop Boy" at Rodi British Bikes
Re: 1968 500 jammed kickstart [Re: SEATTLE GS] #702162
07/19/17 12:32 am
07/19/17 12:32 am
Joined: Sep 2009
Posts: 629
SEATTLE WA
S
SEATTLE GS Offline OP
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SEATTLE GS  Offline OP
BritBike Forum member
S
Joined: Sep 2009
Posts: 629
SEATTLE WA
The problem is...the needle bearing in the kickstart shaft completely shattered. Also, it seems to be impossible to remove the needle bearing so we are buying a new shaft, bearing, pawl, and washer. It is quite an effort to change all this stuff out.

Re: 1968 500 jammed kickstart [Re: SEATTLE GS] #702193
07/19/17 10:43 am
07/19/17 10:43 am
Joined: Dec 2006
Posts: 262
Stamford
paulberry Offline
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paulberry  Offline
BritBike Forum member
Joined: Dec 2006
Posts: 262
Stamford
Originally Posted by SEATTLE GS
The problem is...the needle bearing in the kickstart shaft completely shattered. Also, it seems to be impossible to remove the needle bearing so we are buying a new shaft, bearing, pawl, and washer. It is quite an effort to change all this stuff out.


http://www.britbike.com/forums/ubbt...;Main=59371&Number=544278#Post544278


1969 T100S
1955 Tiger Cub

Moderated by  John Healy 


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