LCGB Forums

by **Richie** » Sat Apr 01, 2023 2:02 pm

Why is it so difficult?
I have a new Tameni GP crankshaft and a flywheel nut that won't fit.
I have an LI nut that fits the thread but it is the incorrect nut to use.
Any recomends before I start my nut collection? :lol:

Thanks

by **gp200ts1** » Sat Apr 01, 2023 6:06 pm

Surely there is something wrong with the gp nut as they are both the same thread?

by **Richie** » Sat Apr 01, 2023 8:20 pm

gp200ts1 wrote:Surely there is something wrong with the gp nut as they are both the same thread?

The nut is really tight on the LI crank but will not go on the GP at all.

by **nickw** » Sat Apr 01, 2023 8:36 pm

Unfortunately I am no expert but had a look on Google. There does appear to be variations on the flywheel nut between LI/SX and GPs although I don't know what that difference is. I have never played around with a Li engine so have no flywheel nuts to compare. Have a look at this link

https://scooterrestorations.com/search? ... ywheel+nut

by **gp200ts1** » Sun Apr 02, 2023 10:04 am

The shoulder depth is different but the thread is the same.

by **Toddy** » Sun Apr 02, 2023 8:27 pm

Where the nut from is it new or original ?

by **Richie** » Sun Apr 02, 2023 11:05 pm

Toddy wrote:Where the nut from is it new or original ?

The nut is new and I believe of indian origin. When I put it on my LI crankshaft is was tight and felt like the nut thread was slightly recut as it wound on.
It will not go on the new GP crankshaft without considerable force which is something I am not willing to try on brand new crankshaft.
There sems to be lots of nuts available ranging from a £1.00 to £10.00 all of varying quality.
I guess I will have to buy one from someone like BGM and hope the money is well spent.

by **Toddy** » Sun Apr 02, 2023 11:08 pm

Richie wrote:
Toddy wrote:Where the nut from is it new or original ?

The nut is new and I believe of indian origin. When I put it on my LI crankshaft is was tight and felt like the nut thread was slightly recut as it wound on.
It will not go on the new GP crankshaft without considerable force which is something I am not willing to try on brand new crankshaft.
There sems to be lots of nuts available ranging from a £1.00 to £10.00 all of varying quality.
I guess I will have to buy one from someone like BGM and hope the money is well spent.

I’ve used both scooter restorations and scootopia ones both fine I think you may have a rouge one

by **hullygully** » Mon Apr 03, 2023 8:27 am

Toddy wrote:
Richie wrote:
Toddy wrote:Where the nut from is it new or original ?

The nut is new and I believe of indian origin. When I put it on my LI crankshaft is was tight and felt like the nut thread was slightly recut as it wound on.
It will not go on the new GP crankshaft without considerable force which is something I am not willing to try on brand new crankshaft.
There sems to be lots of nuts available ranging from a £1.00 to £10.00 all of varying quality.
I guess I will have to buy one from someone like BGM and hope the money is well spent.

I’ve used both scooter restorations and scootopia ones both fine I think you may have a rouge one

+1

by **gaz_powell** » Mon Apr 03, 2023 10:36 pm

Never had a problem with 1.50£ from AF... In fact just fitted one Saturday on a SIL webs crank.2 spares in stock.

Mind the BGM is flash coated black and logo printed so it will out perform the AF one.... :twisted:

by **Toddy** » Mon Apr 03, 2023 10:37 pm

gaz_powell wrote:Never had a problem with 1.50£ from AF... In fact just fitted one Saturday on a SIL webs crank.2 spares in stock.

Mind the BGM is flash coated black and logo printed so it will out perform the AF one....

by **hullygully** » Tue Apr 04, 2023 11:07 am

Toddy wrote:
gaz_powell wrote:Never had a problem with 1.50£ from AF... In fact just fitted one Saturday on a SIL webs crank.2 spares in stock.

Mind the BGM is flash coated black and logo printed so it will out perform the AF one....

+2

by **nickw** » Wed Apr 05, 2023 11:05 am

gp200ts1 wrote:The shoulder depth is different but the thread is the same.

Thanks. I should have known that :-)

but didn't

by **Richie** » Wed Apr 05, 2023 8:27 pm

All sorted now. Bought one from MB Dev along with some other stuff. Threaded on no problem what so ever.

Could start a new thread about cylinder studs but I do not want to become unpopular. :lol:

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