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Bugger - Printable Version

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Pages: 1 2

Bugger - PaulSmith - 16-02-15

A little steam while waiting at lights, and some coolant on my boot when I got to work. There is no puddle under the bike which means either it is only a small hole, or it is empty  :'(

Gen1 just turned 60k. Commute home is about 16 miles. Suggestions appreciated. 


Re: Bugger - tex - 16-02-15

Check the fan is coming  on, should come on on start up, check the coolant level,  top it up, should get you home, then look for a leak


Re: Bugger - Falcon 269 - 16-02-15

Which boot?  Or to be more precise, which side do you think it's leaking?


Re: Bugger - PaulSmith - 16-02-15

I think(hope) it is the jubilee clip on the outlet hose on the left side. It looks like it 'sprayed', so the base of the rad (on the left side), the left headers, the left side of the oil filter  and the left frame and my left boot all had coolant but it stopped (or is empty) now. I ran the bike for a while and the fan kicked in.

I have no idea how full or empty the resavour(sp?) is (how the foc are you meant to tell when it is positioned in the shadows and covered in road crude?)

At £45 for the hose and £11 for the clip, I think I will pick up some rad-weld on my way home. 


Re: Bugger - Grayo - 16-02-15

(16-02-15, 04:27 PM)PaulSmith link Wrote: I think(hope) it is the jubilee clip on the outlet hose on the left side. It looks like it 'sprayed', so the base of the rad (on the left side), the left headers, the left side of the oil filter  and the left frame and my left boot all had coolant but it stopped (or is empty) now. I ran the bike for a while and the fan kicked in.

I have no idea how full or empty the resavour(sp?) is (how the foc are you meant to tell when it is positioned in the shadows and covered in road crude?)

At £45 for the hose and £11 for the clip, I think I will pick up some rad-weld on my way home.
I have a set of hoses off a Gen 2 I can send you if you can adapt any of them to fit. Some of them have clips on too.

Re: Bugger - PaulSmith - 16-02-15

Thanks Grayo, that is a very kind offer. If you don't mind, I will hold off until I know exactly what needs doing.

Re: Bugger - Falcon 269 - 16-02-15

(16-02-15, 04:27 PM)PaulSmith link Wrote: At £45 for the hose and £11 for the clip, I think I will pick up some rad-weld on my way home.

Radweld is for bodging rads in 60s era Fords and Austins.  Has no place in a high performance motorcycle motor, IMHO. Wink

Breakers yard for a good used hose and Halfords for a jubilee clip.  Smile


Re: Bugger - AyJay - 16-02-15

The nearside hose that ends up near the sprocket gets exposed to a lot of chain oil and does perish. Mine was as soft as a raw skinless sausage after 60k miles.


Also, if it's a hole in the radiator, a good radiator repair company will be able to fix it. I had a whacking great hole punched in my £660 curved ZZR radiator by a big chunk of road debris and they managed to fix it for £60. That was the bargain of the year, I can tell you.

Re: Bugger - PaulSmith - 17-02-15

First problem is finding exactly where the hole is. Is it the pipe, the rad or somewhere else? Any suggestions?
My best idea so far is to refill the system and run the engine until it leaks again. At which point I will have super hot high pressure fluid spraying around. Not looking forward to it.


Re: Bugger - PaulSmith - 19-02-15

Well, I did a coolant change and and then added a rad-weld type gunk and it seems to have sealed it. I will keep an eye on it but so far, so good.

Re: Bugger - nickodemon - 20-02-15

The rads on the fazer are generally pretty good. i would be more inclined to look at hoses. I wouldn't have put a 'rad weld type gunk' in, as it's more likely to be a pin hole in one of the hoses. I generally avoid putting stuff like that in a motorcycle engine when rads can be repaired fairly cheaply and a hose ain't going to break the bank... Best of luck! Hope you get a permanent solution Wink

Re: Bugger - PaulSmith - 20-02-15

What is the issue with using rad weld type stuff? You are not the first person to warn me off it but no one has given me a reason yet.

Re: Bugger - ChristoT - 20-02-15

Good way to bung up hoses or cooling passages, IMO.

Re: Bugger - PaulSmith - 20-02-15

(20-02-15, 11:27 AM)ChristoT link Wrote:Good way to bung up hoses or cooling passages, IMO.
It would be a pretty focing useless for repairing radiators if it foced the radiators instead of repairing them, don't you think? 

Re: Bugger - Fazafou - 20-02-15



(20-02-15, 04:14 PM)PaulSmith link Wrote:It would be a pretty focing useless for repairing radiators if it foced the radiators instead of repairing them, don't you think?

You're missing the point.

Radweld is an old 'get you home' product, the idea being you chucked it in, it sealed the hole and you got the motor back to then drain the system and sort the issue.

It's not really meant as a long term solution and can slowly start to bung up pipes and fine coolant channels. Also if your head gasket ever leaks you end up with it in your combustion chamber.

Motorcycle engines operates at much higher stresses than the engines radweld was originally designed for.

Choice is yours of course, it may not have any detrimental effect, but why risk it.

Re: Bugger - PaulSmith - 20-02-15

Thanks, you are the first person to give actual reasons.

Re: Bugger - PaulSmith - 20-02-15

I have been doing a bit of research and it seems that there are a lot of horror stories about using radweld, k-seal etc. on the net but they are usually from individuals who had a problem that either radweld couldn't fix, or having fixed their problem system, they later had a bigger problem and they believe radweld made it worse. Very few offered any evidence to blame radweld and I can't find any mechanics or dealers nay-saying it, but quite a few the recommend it (in moderation). 

I think for the moment I will apply the same reasoning I would when using tyre gunk. It can fix a small problem, but not a big one. 


Re: Bugger - Fazafou - 20-02-15

No probs Smile

You'll probably be fine for a while in all fairness, but worth getting it sorted properly when you get a chance.

Re: Bugger - nickodemon - 20-02-15

Sorry i didn't get back to you sooner Sad  Rad weld is to seal a leaking radiator, so you can get home. You don't use it for sealing hoses. The problem with this type of product is that it coats everything in the coolant path, so you will coat the coolant cylinder walls, hoses and of course the radiator. You should have tried replacing the hose that was leaking. I would have dried everything off then ran engine until hot and found leak. If it was the radiator - remove and get repaired. Rad weld is only a temporary repair.

Re: Bugger - PaulSmith - 26-02-15

[smg id=2438 type=preview align=center caption="broken brackets equals broken rad"]Update:

The radweld did its job, but didn't address the cause of the problem. Something you might want to check yourselves.

The fan for the radiator is held in a mild steel cage, mounted to the rad at three points. On of the holders had rotted through letting the edge of the cage rub against the back of the rad. This was probably going on for quite some time. When a second one gave out, the whole cage rubbed against, and eventually, through the rad. Apart from the hole the rad weld fixed, there are at least two other leak points. I have pulled the rad and am shipping it to a rad fixer place I have heard good things about, but I am not holding out much hope.  I suggest you get out your torches and angled mirrors and check the back of your rads for damage before it is too late.

[Image: rad.jpg]