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21
General Help / Re: 81 340 Invader
« Last post by mswyka on November 18, 2025, 07:49:24 AM »
When you say only running on one cylinder how many RPMs are you able to generate?  I guess what I am wondering is whether it is only one cylinder firing or just not able to make RPMs. 

If only running on one cylinder, can you tell which cylinder may not be firing?  Can you switch the behavior from cylinder to cylinder by swapping plug leads or swapping carbs?

Like 398 says, check primer.  Try running w/o muffler, double check needles and seats in carbs.  Possibly bad fuel pump or broken/cracked impulse line.
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General Help / Re: 81 340 Invader
« Last post by Vader440 on November 17, 2025, 08:56:37 PM »
I double checked the year it's a 1980. I will check the primer. Thanks!
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General Help / Re: 81 340 Invader
« Last post by Interceptor398 on November 17, 2025, 04:12:14 PM »
Check the primer.  An 81 340 Invader is very uncommon.
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General Help / 81 340 Invader
« Last post by Vader440 on November 17, 2025, 03:13:57 PM »
I have a 340 Invader that I can't get to run on both cylinders. Last year it great, parked it for summer, went to start it last month and it would only run on 1 cylinder. I thought seals so I rebuilt it with new seals and gaskets still no good. Changed all the ignition parts CDI, a different Stator, coil, new plugs, cleaned both carbs still nothing but 1 cylinder. About the only I haven't done is try to run it without the muffler. Is it possible that has something to do with it. I'm at a complete loss.
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General Discussion / Re: Invader out of summer storage
« Last post by mswyka on November 04, 2025, 05:00:51 PM »
Quote from: Interceptor398 on November 02, 2025, 09:51:15 AM
Primers are a week spot.

Over the weekend I put in a new fuel pump and a fresh set of carbs.  It fired right up and idled nicely.  After checking a few more things I found my primer line broken and disconnected.  I have to believe that it was connected to get it started.  But  need to replace the line to be save.   Any good ideas to replace the lines to the primer without taking the tank off?
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General Discussion / Re: Invader out of summer storage
« Last post by Interceptor398 on November 02, 2025, 09:51:15 AM »
Primers are a week spot.
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General Discussion / Re: Invader out of summer storage
« Last post by mswyka on October 30, 2025, 12:13:49 PM »
Carbs have come off.  They appear to be clean.  Plan to swap in a fresh set just to be on the safe side.  I am also questioning my primer.  There are spares around here somewhere.  Just need to figure out which box they are in.
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General Discussion / Re: Time to build a Shark
« Last post by Ameritude on October 23, 2025, 05:07:33 PM »
well here is a little update for you guys. after some more research i have found some minor but good information. to start, the original sharks were extremely lightweight but according to pieces written about them, they did not have any titanium on them, all aluminum and chromoly.

another thing that ive discovered is that the theory that the Kawasaki sleds are sitting in the original trailer in a warehouse is not probable. the reason being, the original race trailer that was used as a transport, continued to be used as a race trailer for to the TOC sleds, you can see it in a lot of the original promo and vintage videos. the reason i believe this is the same trailer, is because the R&D budget was low for Kawasaki racing and to build multiple trailers would be unreasonable.

anyways, the research continues!
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General Discussion / Re: Invader out of summer storage
« Last post by mswyka on October 09, 2025, 09:26:13 AM »
Quote from: Interceptor398 on October 08, 2025, 01:29:59 PM
There is a lot of space in there.
And by the end of October it will be completely full!
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General Discussion / Re: Invader out of summer storage
« Last post by Interceptor398 on October 08, 2025, 01:29:59 PM »
 There is a lot of space in there.
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