Fork drain bolts
Author
Discussion

A500leroy

Original Poster:

8,286 posts

146 months

Saturday 25th July
quotequote all
I've put some new fork seals on a work colleagues Chinese scooter, I've reassembled and the drain bolts at the bottom seeped a bit.
I've nipped them up with some lock light and no longer leaking but they won't tighten anymore just spin, they do feel tight though.

I'm reluctant to go in any harder for fear of stripping Chinese metal but as they aren't seeping anymore I'm hoping this is safe?

hiccy18

4,058 posts

95 months

Saturday 25th July
quotequote all
Whe you say "they won't tighten anymore just spin" does that not mean they're stripped?

A500leroy

Original Poster:

8,286 posts

146 months

Saturday 25th July
quotequote all
No, I think the internals are spinning.

PT1984

3,381 posts

211 months

Saturday 25th July
quotequote all
Try putting weight on the forks. Or pulling them up to extend them?

A500leroy

Original Poster:

8,286 posts

146 months

Saturday 25th July
quotequote all
Will do. If it doesn't work I'll just run it around and keep an eye on it

bimsb6

8,726 posts

249 months

Saturday 25th July
quotequote all
Did you replace the copper washers?

Jazoli

9,619 posts

278 months

Saturday 25th July
quotequote all
They aren’t really drain bolts but are there to hold the internals in place, an impact driver is best to nip them up if you don’t have a holding tool.

A500leroy

Original Poster:

8,286 posts

146 months

Saturday 25th July
quotequote all
bimsb6 said:
Did you replace the copper washers?
There wasn't any.

D9

81 posts

19 months

Saturday 25th July
quotequote all
It sounds as if you have removed the bolts that hold the internal damper rods in place.
A lot of cheap bikes don't have drain screws on the sides anymore, I think it saves a few pennies, and they expect you to take the forks out , remove the tops, turn them upside down, and drain the oil that way.
To save even more money , the top caps that always used to screw in , are often replaced with a difficult to remove circlip type clip.
For most forks there is a special tool that will hold the damper rod while you tighten up the bottom bolt.
This is important, because if these bolts loosen off , the next time the rider does a wheelie, the front wheel & fork sliders can separate from the bike/scooter
It rarely happens, but I have seen photos of the aftermath of this sort of incident - usually on off road bikes where getting the front wheel off the ground happens a lot.

Steve Bass

10,694 posts

261 months

Saturday 25th July
quotequote all
A500leroy said:
bimsb6 said:
Did you replace the copper washers?
There wasn't any.
There should be

Biker9090

1,870 posts

65 months

Saturday 25th July
quotequote all
There WILL be copper washers in there unless someone has lost them previously.

You'll have been spinning the damper rod mechanism.

You need to put weight on the fork and then turn - or use a rattle gun.

A500leroy

Original Poster:

8,286 posts

146 months

Sunday 26th July
quotequote all
Biker9090 said:
There WILL be copper washers in there unless someone has lost them previously.

You'll have been spinning the damper rod mechanism.

You need to put weight on the fork and then turn - or use a rattle gun.
Super, thanks guys, I'll get back to the Chinese bit of rubbish.

bimsb6

8,726 posts

249 months

Sunday 26th July
quotequote all
D9 said:
It sounds as if you have removed the bolts that hold the internal damper rods in place.
A lot of cheap bikes don't have drain screws on the sides anymore, I think it saves a few pennies, and they expect you to take the forks out , remove the tops, turn them upside down, and drain the oil that way.
To save even more money , the top caps that always used to screw in , are often replaced with a difficult to remove circlip type clip.
For most forks there is a special tool that will hold the damper rod while you tighten up the bottom bolt.
This is important, because if these bolts loosen off , the next time the rider does a wheelie, the front wheel & fork sliders can separate from the bike/scooter
It rarely happens, but I have seen photos of the aftermath of this sort of incident - usually on off road bikes where getting the front wheel off the ground happens a lot.
He was changing the fork seals so he needs to remove the stanchions .

Drabbesttunic

1,829 posts

68 months

Monday 27th July
quotequote all
bimsb6 said:
D9 said:
It sounds as if you have removed the bolts that hold the internal damper rods in place.
A lot of cheap bikes don't have drain screws on the sides anymore, I think it saves a few pennies, and they expect you to take the forks out , remove the tops, turn them upside down, and drain the oil that way.
To save even more money , the top caps that always used to screw in , are often replaced with a difficult to remove circlip type clip.
For most forks there is a special tool that will hold the damper rod while you tighten up the bottom bolt.
This is important, because if these bolts loosen off , the next time the rider does a wheelie, the front wheel & fork sliders can separate from the bike/scooter
It rarely happens, but I have seen photos of the aftermath of this sort of incident - usually on off road bikes where getting the front wheel off the ground happens a lot.
He was changing the fork seals so he needs to remove the stanchions .
Not on rwu forks you don't.

bimsb6

8,726 posts

249 months

Monday 27th July
quotequote all
Drabbesttunic said:
bimsb6 said:
D9 said:
It sounds as if you have removed the bolts that hold the internal damper rods in place.
A lot of cheap bikes don't have drain screws on the sides anymore, I think it saves a few pennies, and they expect you to take the forks out , remove the tops, turn them upside down, and drain the oil that way.
To save even more money , the top caps that always used to screw in , are often replaced with a difficult to remove circlip type clip.
For most forks there is a special tool that will hold the damper rod while you tighten up the bottom bolt.
This is important, because if these bolts loosen off , the next time the rider does a wheelie, the front wheel & fork sliders can separate from the bike/scooter
It rarely happens, but I have seen photos of the aftermath of this sort of incident - usually on off road bikes where getting the front wheel off the ground happens a lot.
He was changing the fork seals so he needs to remove the stanchions .
Not on rwu forks you don't.
All the ones I’ve done have needed the stanchions removing .