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Re: mail-order LSR [Re: kevin roberts] #748846
09/12/18 4:35 am
09/12/18 4:35 am
Joined: Dec 2013
Posts: 4,423
ohio, usa
kevin roberts Offline OP

DOPE
kevin roberts  Offline OP

DOPE

Joined: Dec 2013
Posts: 4,423
ohio, usa
its odd, fernando. doesnt leak at all. i've got loctite 515 or 518 on the crankcase and inner gearbox, then a permatex gray on the outer gearbox, because its dinged a bit. everything else i have drips like an excited puppy.

the pushrod tubes were formerly problematic, but i bought adjustable tubes from dave madigan and that stopped all leakage completely. and the primary is dry. im using copper base and rocker box gaskets with thick copperkote gasket adhesive. did the same with the head gssket but now theres some seepage down the headbolt holes that shows up outside. im pleased with how little it leaks.

of course it spews oil out the back like nobody's business. i have three open breathers that lead to a small catch bottle, and i vent the oil tank to it as well. theres a good two inches of oil in it now. befofe i had the bottle i just spewed it out the rear, to the alarm of the guy with the immaculate zx14 next to me in the pits. he never quite believed me when i told him the back end always looked like that.


"Are bikes so nice as all that?" asked the mole, shyly...

"Nice? They're the only thing," said the Water Rat Solemnly, as he leaned forward on the handlebars. "Believe me, my young friend, there is nothing -- absolutely nothing -- half so much worth doing as simply messing about with bikes."
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Re: mail-order LSR [Re: kevin roberts] #748849
09/12/18 5:02 am
09/12/18 5:02 am
Joined: Jan 2014
Posts: 2,178
South cone
R
reverb Offline
BritBike Forum member
reverb  Offline
BritBike Forum member
R

Joined: Jan 2014
Posts: 2,178
South cone
...I want to eliminate two very pesky leaks. One (and I have the same type on my 500) that is coming between the head and the cylinder; and for some reason (may be the tappet block do not have the O ring) from the base of the push rod tubes (I think)
All these stain my shoes and pants; so I only rides with the same cloth...
Lots of oil from here (may be is due to the rotary pump¿?)
The other leak is putting oil into the rear tyre; and that is not good. Nothing good.
When I opened the primary I changed the seals of the sprocket and do all the job there, then I found hole in the primary case and refilled with epoxy "welding".
Still I have the primary leaking (I will make a thicker gasket .75) Cannot be the gbox, all new there. but I have (less) oil in the new tyre after some kms at 4000 5000 rpms

-Should I put a catch bottle? I have plenty of spew inside (under) the seat; however¿? the hose is kind of dry...¿?
I will open the top end soon; I am waiting for the fucking customs that do not want to freeing the stuff.
I need to open it soon due I want to go to next country so I m thinking to put between 1200 to 2000 km.
I will dismantle the rocker boxes due to PO did a butchery with the rockers. Too rough lightening; I have some from other (1973) boxes. For piece of mind I want to change them.
Pain in the arse to put those Orings there. I do not have any special tool.
In the past I tried several things; sometimes with some success but sometimes bad.

Re: mail-order LSR [Re: kevin roberts] #748859
09/12/18 12:07 pm
09/12/18 12:07 pm
Joined: Nov 2010
Posts: 3,118
Arlington, Massachusetts, USA
kurt fischer Offline

#irideslow
kurt fischer  Offline

#irideslow

Joined: Nov 2010
Posts: 3,118
Arlington, Massachusetts, USA
kevin --

Tires -- ah, OK. From what I read, there are more 16" options now what with all these maxi-scooters on the market.

Chain -- what reverb said. (I use Tsubaki on my street bikes.)


Kurt
1968-70-71 Triumph TR6R Bitsa - 1969 Triumph TR6R - 1971 BSA A65L - 1973 Triumph TR5T
2005 Ducati MTS 1000S DS - 2012 Ducati Hyper 796 - 2014 Kawasaki ZX1000
Re: mail-order LSR [Re: kevin roberts] #748901
09/12/18 4:07 pm
09/12/18 4:07 pm
Joined: Dec 2013
Posts: 4,423
ohio, usa
kevin roberts Offline OP

DOPE
kevin roberts  Offline OP

DOPE

Joined: Dec 2013
Posts: 4,423
ohio, usa
kurt, the scooter tires are all 16 inches, but not V-rated. motorcycle fashion for sport tires has moved on to 17-inch tires. i think most are S and T rated.

fernando, where is the oil coming from under the seat? your OIF shouldn't have anything leaking up there.


"Are bikes so nice as all that?" asked the mole, shyly...

"Nice? They're the only thing," said the Water Rat Solemnly, as he leaned forward on the handlebars. "Believe me, my young friend, there is nothing -- absolutely nothing -- half so much worth doing as simply messing about with bikes."
Re: mail-order LSR [Re: kevin roberts] #748921
09/12/18 6:54 pm
09/12/18 6:54 pm
Joined: Aug 2015
Posts: 1,267
Bolton Lancs UK
A
Andy Higham Offline
BritBike Forum member
Andy Higham  Offline
BritBike Forum member
A

Joined: Aug 2015
Posts: 1,267
Bolton Lancs UK
Avon make the roadrider V rated tyres in 150/80 x 16 (R), MT90 x 16 (R) and 120/80 x 16 (F or R)

https://www.avontyres.com/en-gb/tyre-details/59/avon-roadrider-avon-tyres/?cartype=motorcycle


BSA B31 500cc "Stargazer"
Greeves 200cc "Blue Meanie"
Greeves 350
Greeves 360 Challenger
Suzuki GSX1100 EFE "Sorcerers Apprentice"
GM500cc sprint/LSR bike "Deofol"
Jawa 500cc "Llareggub"
2003 Aprilia RSV Mille "Lo Stregone"
'35 OK Supreme
'36 OK Supreme
Re: mail-order LSR [Re: kevin roberts] #748935
09/12/18 9:05 pm
09/12/18 9:05 pm
Joined: Dec 2013
Posts: 4,423
ohio, usa
kevin roberts Offline OP

DOPE
kevin roberts  Offline OP

DOPE

Joined: Dec 2013
Posts: 4,423
ohio, usa
andy, at the moment i'm looking for rims that will let me run the racing goodyear front runners. they take a 2.5-inch rim, and i can find those for both front and back. the avons will fit the 2.5-inch rim, but they would be just outside of the recommended fitting.

the front runners are pretty skinny tires, no good for real-world motorcycling, but i'm thinking they would cut rolling resistance in a straight line on an asphalt surface. because they're racing tires, they're not limited by speed ratings, according to the loring tech people. in fact, the 4-inch versions are actually labelled for 300 mph. goodyear tells me they didn't bother labelling the 2.5-inch tires because nobody cares.

Attached Files temp.kil.PNG

"Are bikes so nice as all that?" asked the mole, shyly...

"Nice? They're the only thing," said the Water Rat Solemnly, as he leaned forward on the handlebars. "Believe me, my young friend, there is nothing -- absolutely nothing -- half so much worth doing as simply messing about with bikes."
Re: mail-order LSR [Re: kevin roberts] #748971
09/13/18 1:32 am
09/13/18 1:32 am
Joined: Jan 2014
Posts: 2,178
South cone
R
reverb Offline
BritBike Forum member
reverb  Offline
BritBike Forum member
R

Joined: Jan 2014
Posts: 2,178
South cone
...hi Kevin, I am referring to the breather hose. This bike has the hose and the PO cut it under the seat; however, as mentioned, the hose is dry...
When I opened the primary and found that hole, no doubt that breathes that way, but now with the hole filled and nothing obstructing the hose; should be breathe this other way.
I really have a big oil leak; the 2 culprits that I think is the rotary pump (too much oil pumping) and that the breather is not working for some reason that escapes me.
Could be something inside the crankcase? May be silly question, but these ones do not have a seal on the crank (PS) so should be breathing right. I put a LED torch to the hose and looks dry; or always would look that way?
May be the breather is ok and work that way and the problem is that the head is bend or bad torqued and that the tappet do not have the O ring but leaks too much.

Re: mail-order LSR [Re: kevin roberts] #752404
10/12/18 1:27 am
10/12/18 1:27 am
Joined: Dec 2013
Posts: 4,423
ohio, usa
kevin roberts Offline OP

DOPE
kevin roberts  Offline OP

DOPE

Joined: Dec 2013
Posts: 4,423
ohio, usa
fernando, if you have an oil leak under the seat but the breather tube is dry, it has to be coming from something else.

where is the most forward oily spot on the motor? oil will mostly blow backwards, so the most forward messy bit is likely your problem area.


"Are bikes so nice as all that?" asked the mole, shyly...

"Nice? They're the only thing," said the Water Rat Solemnly, as he leaned forward on the handlebars. "Believe me, my young friend, there is nothing -- absolutely nothing -- half so much worth doing as simply messing about with bikes."
Page 48 of 48 1 2 46 47 48

Moderated by  Allan Gill 


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