93 gts B**** to start

[seadoo GTS 1993]

I want to get all my problems solved b4 riding season, so here ya go...

My GTS can be VERY hard to start cold, other times its easy... but it more oftenly seems to be hard. It can take any where from 10 secs to 10 mins. I have to pump the throttle and keep it chocked.. What could be the reason for this HARD starting issue?

 

[kustomkarl]

First off what is the compression of the engine? Does it have fresh spark plugs gaped to the correct gap? Are the carbs clean and adjusted properly? All these thing can make for a hard starting doo.

Karl

 

[timmyboy76]

:agree:, also, what about install'n "primer kit" where choke assy is...?

 

[seadoo GTS 1993]

To be honest... I dont kno the compression, im kinda scared to check because i kno it has to be low. Its like 14 yrs old and all original. But it does run pretty good. Plugs are good, I will get the carbs cleaned. I also have heard about putting on a primer kit.. Im gonna look into that.. Thx for the responces.

 

[PWCdoc]

FYI, pumping the throttle does nothing unless your carbs are equipped with an accelerator pump. What you need to do is to apply the choke and give it full throttle as you start it. The objective is to create as much suction on the fuel circuitry as possible to get the fuel moving. Just hold the throttle wide open, you'll see how much easier it is to start. Beyond that, a primer is a good idea.

 

[seadoo GTS 1993]

Im gonna get the carb rebuilt, if that doesnt do the trick i'll put a primer on it.

 

[kustomkarl]

There isn't really any need to put a primer on that seadoo model. If the compression is low and you need to prime it every time than your bound to foul plugs quickly too. The primer is just a temp. band aid on a more serious problem. I would prefer to repair the problem than add to it and cover up the real problem.

Karl

 

[seadoo GTS 1993]

Good point Karl, i'll give her a compression test and see how bad it is... thanks guys

 

[seadoo GTS 1993]

Ive just been told that the 92-93 GTS models had starting issues due to too much air getting past the choke plate... They had a update that installed a blockoff un the throat of the carbs eliminating the excess air. But the part is impossible to find and I should get a primer kit? This make sence to anyone?

 

[PWCdoc]

Um, why don't you try what I mentioned first?

 

[seadoo GTS 1993]

I just want to make sure it starts easy this summer.. Im gonna clean carbs, and replace seat and needle valves... and install primer.

 

[tjcin]

After the carb rebuild, make sure the popoff pressure is within spec. This adjustment has a bearing on a warm start, I'm not so sure about a cold start though. Maybe some mikuni gurus will chime in. Good luck and please post results when you do correct the problem. Tim C

 

[seadoo GTS 1993]

okay guys, im puttin the ski in the water tmrw.. b4 puttin it in the water im gunna run some seafoam thru it... im gunna try holdin' the throttle wide open while chocking to see if that helps at all... if it doesnt start easy tmrw, im gunna go about cleaning the carb.... ill let u kno wut happens on sunday.. thxx

 

[seadoo GTS 1993]

first start of the season, pressed the start button, started for a sec then died, pressed it again and fired rite up! Easiest it ever started! Ran it around the lake for awhile, ran great!:hurray:

 

[Chester]

One of the main reasons for installing a primer is for a quick cold start. It will make your expensive starter last a lot longer. When you install a primer, you remove the choke plates and shafts. The primer fittings go into the holes where the choke shaft was. When you pump the primer (for cold start only) it squirts gas directly into carb throat making the engine start instantly.

Chester

 

[PWCdoc]

first start of the season, pressed the start button, started for a sec then died, pressed it again and fired rite up! Easiest it ever started! Ran it around the lake for awhile, ran great!:hurray:

Excellent...told ya it'd do much better. And you still have the option of a primer too. Personally, I prefer a primer but I don't really need one on most skis.

 

[seadoo GTS 1993]

PWCdoc, i did wat u said, held the throttle wide open while chocking, worked great.. thx for the advice! Im still thinkin about the primer kit..