Search found 120 matches

by ralph thetford
Thu Aug 01, 2019 4:03 pm
Forum: Four stroke
Topic: 1938 ARIEL SQUARE FOUR CLUTCH PUSH ROD
Replies: 7
Views: 2827

Re: 1938 ARIEL SQUARE FOUR CLUTCH PUSH ROD

Hi Paul, I was a little confused as the rust damaged push rod I took out my bike is 13-7/16" long but about looks right for the BA gearbox and clutch----so I ordered a new rod from Dragonfly (ref-3430-36) and it's only 12-3/4" long and realised it is too short---have you any ideas? Regards...
by ralph thetford
Wed Jul 31, 2019 7:34 pm
Forum: Four stroke
Topic: 1938 ARIEL SQUARE FOUR CLUTCH PUSH ROD
Replies: 7
Views: 2827

Re: 1938 ARIEL SQUARE FOUR CLUTCH PUSH ROD

Thanks for your help Dave
by ralph thetford
Wed Jul 31, 2019 6:44 pm
Forum: Four stroke
Topic: 1938 ARIEL SQUARE FOUR CLUTCH PUSH ROD
Replies: 7
Views: 2827

1938 ARIEL SQUARE FOUR CLUTCH PUSH ROD

Could soomeone help with the following--- 1) what should be the length of the clutch push-rod on my 1938 square four as the one I have is very damaged 2) Ideally how much should the push-rod move during it's operation. ie the amount the the operating plunger (3050-35) moves in and out Regards Ralph ...
by ralph thetford
Wed Jul 17, 2019 7:50 pm
Forum: Four stroke
Topic: 1938 SQUARE FOUR ENGINE SHOCK ABSORBER
Replies: 2
Views: 1310

Re: 1938 SQUARE FOUR ENGINE SHOCK ABSORBER

Hi Paul, thanks again for yor support----My shock absorber has 3-lobes---But after about a dozen more attempts I finally managed to get the splines lined in and got the nut fully nipped up.

Regards Ralph
by ralph thetford
Tue Jul 16, 2019 8:17 pm
Forum: Four stroke
Topic: 1938 SQUARE FOUR ENGINE SHOCK ABSORBER
Replies: 2
Views: 1310

1938 SQUARE FOUR ENGINE SHOCK ABSORBER

Iam struggling to fully assemble the shock absorber---When I nip up the end nut I can't seem to get the inner splines of the end spring plate to line up with the splines in the crank shaft so I can screw the nut fully home---I noticed that the end spring plate has a recess on the ouside, should the ...
by ralph thetford
Sun Jun 30, 2019 10:36 pm
Forum: Four stroke
Topic: Main bearing in gear cover--1938 Ariel square four
Replies: 2
Views: 1217

Re: Main bearing in gear cover--1938 Ariel square four

Thank you again Paul---I wondered,with this bearing being outside the main oil flow, it may eventually get starved of oil, but you have now answered my question---Thanks and Regards Ralph
by ralph thetford
Sat Jun 29, 2019 7:33 pm
Forum: Four stroke
Topic: Main bearing in gear cover--1938 Ariel square four
Replies: 2
Views: 1217

Main bearing in gear cover--1938 Ariel square four

How should the 3rd main bearing be lubricated on initial assembly---(This is the bearing in the gear cover)--- Should this be just oiled or should it be packed with grease.
Regards Ralph Thetford
by ralph thetford
Wed Jun 26, 2019 5:45 pm
Forum: Four stroke
Topic: 1938 SQUARE FOUR THROTTLE CABLE PROBLEM
Replies: 6
Views: 2155

Re: 1938 SQUARE FOUR THROTTLE CABLE PROBLEM

Thanks for your help Simon--got things sorted ----Cheers Ralph
by ralph thetford
Wed Jun 26, 2019 5:42 pm
Forum: Four stroke
Topic: 1938 SQUARE FOUR THROTTLE CABLE PROBLEM
Replies: 6
Views: 2155

Re: 1938 SQUARE FOUR THROTTLE CABLE PROBLEM

Thanks for your help Bob ---Cheers Ralph
by ralph thetford
Tue Jun 25, 2019 9:21 pm
Forum: Four stroke
Topic: 1938 SQUARE FOUR THROTTLE CABLE PROBLEM
Replies: 6
Views: 2155

Re: 1938 SQUARE FOUR THROTTLE CABLE PROBLEM

Thanks again Paul, Do you know who stocks these ferrules --Do Dragonfly stock them--I have looked in their catalogue but can't find any trace of them

Regards Ralph