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Tech Information => General Help => Topic started by: snojet71 on January 21, 2013, 07:50:57 PM

Title: Question for trucker on his 77 sst comment
Post by: snojet71 on January 21, 2013, 07:50:57 PM

In one of Trucker's replies, you stated that 77 Astros had a mix of Yama and Kawi engines.   I didnt know that . I thought sst had Yamas and Astros had Kawi engines .   I've got a bunch of these 77's and,,,,,,,now that you mention it,  I bought one parts sled that had an Astro hood but Yama 440.   I thought someone changed the hood.    Had gauges and ski shocks too.           Got any more detail on that?   Like Early build vs late build, different engines????     Thanks
So,,,,,,,,,,,,,,is that 77 Astro with a Yama "super rare"??          LOL

Title: Re: Question for trucker on his 77 sst comment
Post by: Trucker on January 22, 2013, 01:34:26 AM

Just the early 77 production would have had the Yamaha motor to used up the stock they had left  and then they switched to the kawi motors.

Title: Re: Question for trucker on his 77 sst comment
Post by: DicemanSST on January 22, 2013, 05:16:59 AM

Quote from: snojet71 on January 21, 2013, 07:50:57 PM

In one of Trucker's replies, you stated that 77 Astros had a mix of Yama and Kawi engines.   I didnt know that . I thought sst had Yamas and Astros had Kawi engines .   I've got a bunch of these 77's and,,,,,,,now that you mention it,  I bought one parts sled that had an Astro hood but Yama 440.   I thought someone changed the hood.    Had gauges and ski shocks too.           Got any more detail on that?   Like Early build vs late build, different engines????     Thanks
So,,,,,,,,,,,,,,is that 77 Astro with a Yama "super rare"??          LOL

I am under the understanding that the Astro with a Yamaha engine was 340 and the sst was a 440....when they went to straight Kawasaki engines the 340 and 440 were both called Astro in 77....see the link.....ps- you know where the cdi box is on the sst?...Cheers DicemanSST

http://www.vintagesnowmobiles.50megs.com/1977_KAWASAKI_SNO_JET_5.html

Title: Re: Question for trucker on his 77 sst comment
Post by: kawhead on January 22, 2013, 12:15:39 PM

all 77 astros had kaw motors,sst used up the yammies,sst had std shocks and guages,astros were an dealer option...

Title: Re: Question for trucker on his 77 sst comment
Post by: Trucker on January 22, 2013, 04:41:22 PM

I guess i have to correct my statement it was the early 76 models that used Yamaha motors and a few of the late 76 models did get the Kawasaki motor in the astro

Title: Re: Question for trucker on his 77 sst comment
Post by: DicemanSST on January 22, 2013, 06:39:57 PM

I think some of the astros had a 340 Yamaha engine in it...from this spec sheet it looks like that anyway...I have seen a few 340 Astos with Yammies in them....check the link out...Cheers

http://kawasakitrax.com/77models.htm

Title: Re: Question for trucker on his 77 sst comment
Post by: Invader440 on January 22, 2013, 08:09:29 PM

Quote from: DicemanSST on January 22, 2013, 06:39:57 PM

I think some of the astros had a 340 Yamaha engine in it...from this spec sheet it looks like that anyway...I have seen a few 340 Astos with Yammies in them....check the link out...Cheers

http://kawasakitrax.com/77models.htm

Where do you see that?  SST has the Yammie engine and the Astro has the TA Kawi engine.