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Forum: Engines & props 26 March 2015, 12:45
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Knowledge is power! Saved from ebay!

Knowledge is power! Saved from ebay!
Forum: Engines & props 07 March 2015, 13:05
Replies: 47
Views: 11,377
Posted By RIB-Teccie
You will have nipped the base gasket when...

You will have nipped the base gasket when replacing. Unless you had the exhaust water jacket off.
Forum: Engines & props 06 March 2015, 19:16
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Don't assume that because a pump had gaskets it's...

Don't assume that because a pump had gaskets it's OK. Check it as stated before. It's difficult to get the tension on the gasket the same as the factory and they don't last as long which is why I...
Forum: Engines & props 06 March 2015, 18:23
Replies: 47
Views: 11,377
Posted By RIB-Teccie
It the fuel pump as previously stated.

It the fuel pump as previously stated.
Forum: Engines & props 06 March 2015, 18:21
Replies: 47
Views: 11,377
Posted By RIB-Teccie
The soft bulb will be either the fuel connectors...

The soft bulb will be either the fuel connectors on the fuel line or the connector on the engine or tank. I'll bet you are using non original connectors on the fuel line which are not always a good...
Forum: Engines & props 01 March 2015, 14:39
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Generally with a holed diapragm they are sticky...

Generally with a holed diapragm they are sticky to start and idle fine. I've seen this many times, which is my second check after spark. If they are severely torn then it has an effect but strangely...
Forum: Engines & props 28 February 2015, 04:03
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Lastly, clean the outside of the carb with alloy...

Lastly, clean the outside of the carb with alloy wheel cleaner. It will come up well
Forum: Engines & props 28 February 2015, 03:41
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Sorry, that should read - it is the main jet and...

Sorry, that should read - it is the main jet and float height that dictate that.

Measure your float heights with a ruler in the closed position and set it in between the two as a guide. I don't...
Forum: Engines & props 28 February 2015, 02:58
Replies: 47
Views: 11,377
Posted By RIB-Teccie
If it will unscrew, remove the brass main jet....

If it will unscrew, remove the brass main jet. But be very careful to use the correct screwdriver. On slip and it's broken. Pop out the other brass tube, they have small holes in them and are famous...
Forum: Engines & props 28 February 2015, 02:52
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Both of those carbs show signs of contaminated...

Both of those carbs show signs of contaminated fuel.

I can't remember the float height for one of these.

I don't think either height is correct. One is too high and one too low.

Try...
Forum: Engines & props 26 February 2015, 09:57
Replies: 47
Views: 11,377
Posted By RIB-Teccie
A shot of fuel should have worked. I'm surprise....

A shot of fuel should have worked. I'm surprise. Not even a cough? It does sound like it's not priming correctly and that carb you have got on does not seem right. I would strip carb and leave it...
Forum: Engines & props 25 February 2015, 11:32
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Bottom Crankshaft seal. In the housing below the...

Bottom Crankshaft seal. In the housing below the bottom crank bearing.

Unlikely to cause the problems you are reporting
Forum: Engines & props 25 February 2015, 08:25
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Thinking on. I looked at a 25 yam once, same...

Thinking on. I looked at a 25 yam once, same symptoms. It seemed to prime ok, but it didn't. Turned out simply to be the bulb and connector to the engine being no standard.

If you have...
Forum: Engines & props 24 February 2015, 20:47
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Now we're getting somewhere. 1) why did the...

Now we're getting somewhere.

1) why did the engine need a decoke or just stripped down?

2) At a guess, how many hours would be on it when it was stripped?

3) TDC may be fine, but we're the...
Forum: Engines & props 24 February 2015, 09:19
Replies: 47
Views: 11,377
Posted By RIB-Teccie
I am assuming the engine has been run on 1:100?...

I am assuming the engine has been run on 1:100? On 1:50 there is a chance the rings could be gummed in.
Forum: Engines & props 23 February 2015, 20:03
Replies: 47
Views: 11,377
Posted By RIB-Teccie
I really can't be bothered to debate this one. ...

I really can't be bothered to debate this one.

1) pulling choke in and out - bad advice

2) showing the incorrect outboard - bad advice

3) Recommending easy start and not naming a suitable...
Forum: Engines & props 23 February 2015, 07:17
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Upper cylinder lubricant is for four stroke...

Upper cylinder lubricant is for four stroke engines. Please look at the note towards the bottom of the specs.

If you try to use the fuel that's in the tank, you also are inspecting the quality of...
Forum: Engines & props 22 February 2015, 15:40
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Sounds like they may need a compression test.

Sounds like they may need a compression test.
Forum: Engines & props 22 February 2015, 10:37
Replies: 47
Views: 11,377
Posted By RIB-Teccie
If it's the older 30 yam, pulling twice on the...

If it's the older 30 yam, pulling twice on the choke won't help. It's not a primer like on the Mercury's. Priming fluid will ruin an engine as it washes the oil off the bore and over time causes...
Forum: Engines & props 21 February 2015, 19:18
Replies: 47
Views: 11,377
Posted By RIB-Teccie
Is your fuel bulb priming up the carb correctly?...

Is your fuel bulb priming up the carb correctly? It sounds like lack of fuel but not once it's started so I have to think that the carb is not full of fuel when you first try. Failing that it's a...
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