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Messages - dunboyne

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1
British Bikes / Re: Sludge trap 650 twin
« on: July 12, 2017, 02:00:21 AM »
if leaving the pinion on you will need to heat the cases to remove the crank with bearing still attached . ive had luck with a micro bearing puller to remove the pinion . you could remove the pinion nut and tap the crank towards the case to get some more clearance for the bearing puller claw but it shouldnt be needed. be careful what you hit the crank with as it needs to seal with the seal on the timing casing. ive seen ones that were hit with hammers or something and it spreads the end of the crank and the seal will not seal. its quite common. if that happens you need to get the crank end machined back to spec .you may need to make weights to replace the rod/piston weight when putting the crank in a lathe . you can get undersize seals if required.

2
British Bikes / Re: 1969 BSA A50 POSITIVE OR NEGITIVE EARTH
« on: July 12, 2017, 01:41:54 AM »
is there any advantage to converting from positive to negitive earth .

3
British Bikes / Re: BSA 1955 B31
« on: October 29, 2016, 02:30:13 AM »
most likely well fixed but an air leak on the intake manifold will do this .

4
Japanese Bikes / Re: Suzuki GT750
« on: October 29, 2016, 02:23:22 AM »
even the clunkers are getting decent money , hard to get a project thats all ther for less that 3grand here.

5
British Bikes / Re: Triumph TRW oil ?
« on: October 29, 2016, 01:49:26 AM »
yup . 20w50 . these trws are becoming sought after .

6
British Bikes / Re: T6 bottom end with t140 barrells and heads
« on: October 29, 2016, 01:47:51 AM »
probably sorted by now but in case not

see if its wet sumping for some reason , or if the oil is not draining from the head quick enough (possibly blocked hole in tappet block) this causes the oil to go up over the valve guide and of course down the valve as theres no seals. its more noticable on the left typicaly as the sidestand leans the bike that way .
hope this helps

7
British Bikes / Re: bsa a65 lightning
« on: October 29, 2016, 01:34:42 AM »
is it the correct fulcrum , would a different one work ?

8
British Bikes / Re: Help with 1968 BSA Starfire
« on: October 29, 2016, 01:30:05 AM »
its down low on  the left rail as far as i remember.  ill check my b25s tomorrow and get back to you .it will start with b25s alright. i just went through the registration thing myself .

9
British Bikes / Re: Poor parts service and knowledge
« on: November 19, 2015, 12:24:14 AM »
i can sympathise. most recent was t100 head bolts that were expensive and too long, i contacted the vendor who insisted they were right .if i had used then as they were id have bust the bottom of the holes in the barrels . i had to cut them to the proper length . ebay shops seem hit and miss on quality wheras established shops are a little less so .

10
British Bikes / Re: tiger 100 engine questions
« on: November 19, 2015, 12:14:26 AM »
just an update. i redone the white metal on the conrod caps with the help of an old pro who was happy to pass on the skill .its going into a slimline frame  with a norton g102 gearbox .ill get pics up when ive a chance .

11
Japanese Bikes / Re: running a z400
« on: January 21, 2015, 11:43:26 PM »
been there , itll blow bulbs as the reg/rec will give out too much voltage .

12
European and Other Bikes / Re: Ural M-62 (1963) what do you think? to buy it or not?
« on: April 06, 2014, 04:36:34 PM »
they take a bit of getting used to when riding, they are not for the faint hearted . 60 mph would be flying on one and when cornering 40 mph is fast lol. you need to wrestle them a bit. great for occasional fun but for daily transport i wouldnt think of it.

13
Japanese Bikes / Re: 1978 cb400a CDI interchange
« on: April 06, 2014, 04:27:23 PM »
they were buggers for corrosion on electrical connections .id check them thouragly first. i had many cb400a,cb400t,cb400n and the 250s too and neaver seen a cdi give up. i lost spark several times due to crap connectors and bad wiring though.

14
Autojumble / Re: rear frame for 64 tr6 wanted
« on: February 23, 2014, 06:36:50 PM »
i got one .

15
Japanese Bikes / Re: FJ 1200
« on: February 23, 2014, 06:29:27 PM »
hagon progressive springs help the diving a lot , the antidive on the 1100s does not seem to do a lot .  the fj have the same engine as the xjr 1200 and 1300 albeit with different bores and pistons . i have an xjr also. good bikes for a bit of two up work and they have great brakes .

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