1986 nq50 hard to get started

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jranilovich
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Re: 1986 nq50 hard to get started

Post by jranilovich » Sun Aug 11, 2019 7:13 pm

That would be very nice just let me know wich one you think is the best and how much and I will do it..

and lastly other than premixed 80:1 for the first 2 tanks..

How does one properly break in new rings and piston??

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eclark5483
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Re: 1986 nq50 hard to get started

Post by eclark5483 » Sun Aug 11, 2019 9:14 pm

Now, THAT, is something many will have different opinions on. Some say to heat cycle it, some say ride only half speed, some say just slam it hard for a bit, then easy, then slam it some more. I mean there is no real proven method. On mine, I went the slam em hard route. I drove them from the bike shop to home. The bike shop is about 3 miles from my house and outside of town, so the first 2 or so miles, I had it at almost full throttle, from there, after I reached town, I went only about 20-25 (mine are high geared bikes). On a normal geared bike, this would be like going 12-20 tops. Then I let the bike cool down, then did 5 heat cycles. Ran the tank to almost empty with the 80:1, filled it with 1 more tank at 80:1, then on the 3rd tank, went to the normal mix. Has been solid ever since. Actually just got back from a nice after dinner ride on them with my son. I'll go get those cylinders and post some pics here in a bit.
Indian Motorcycle tech @ Polaris Inc., B.A. Information Technology, A.A. Engineering
3 Sprees
1 ATM50-A1
1 Indian AMI-50
The World's Greatest Spree: https://www.youtube.com/watch?v=lU49lL_Xx4s
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eclark5483
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Re: 1986 nq50 hard to get started

Post by eclark5483 » Sun Aug 11, 2019 9:46 pm

I marked them with a sharpie to indicate 1&2.

OK, here we have cylinder 1:

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And this is cylinder 2:

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And here they are side by side. 1 is on the left, and 2 is on the right

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Indian Motorcycle tech @ Polaris Inc., B.A. Information Technology, A.A. Engineering
3 Sprees
1 ATM50-A1
1 Indian AMI-50
The World's Greatest Spree: https://www.youtube.com/watch?v=lU49lL_Xx4s
Want to make a Spree engine go fast? CLICK HERE: LINK

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eclark5483
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Re: 1986 nq50 hard to get started

Post by eclark5483 » Sun Aug 11, 2019 9:49 pm

I'm not sure what the significance is of the "B-6" stamped on cylinder 2.
Indian Motorcycle tech @ Polaris Inc., B.A. Information Technology, A.A. Engineering
3 Sprees
1 ATM50-A1
1 Indian AMI-50
The World's Greatest Spree: https://www.youtube.com/watch?v=lU49lL_Xx4s
Want to make a Spree engine go fast? CLICK HERE: LINK

jranilovich
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Re: 1986 nq50 hard to get started

Post by jranilovich » Sun Aug 11, 2019 10:48 pm

Sounds good I'll take both if you dont care I have another spree that I'm going to rebuild after this one and it will need the top end rebuilt too...
Last edited by jranilovich on Mon Aug 12, 2019 12:34 pm, edited 1 time in total.

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Re: 1986 nq50 hard to get started

Post by jranilovich » Sun Aug 11, 2019 10:49 pm

Just let me know how much ... I really appreciate it..

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eclark5483
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Re: 1986 nq50 hard to get started

Post by eclark5483 » Sun Aug 11, 2019 11:15 pm

$20 for shipping will be fine, I'll send you a message with paypal info, please edit your post with your address and remove it for safety's sake so that it is not out there in the general public, thanks.
Indian Motorcycle tech @ Polaris Inc., B.A. Information Technology, A.A. Engineering
3 Sprees
1 ATM50-A1
1 Indian AMI-50
The World's Greatest Spree: https://www.youtube.com/watch?v=lU49lL_Xx4s
Want to make a Spree engine go fast? CLICK HERE: LINK

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eclark5483
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Re: 1986 nq50 hard to get started

Post by eclark5483 » Mon Aug 12, 2019 12:09 am

Oh and after you get them, could you please post some images of those cleaned up ports and rehoning. Looks like cylinder 1 could probably use a bit of porting, I see a bit of rough edge on it. Not the worst, but porting is almost always a good thing.
Indian Motorcycle tech @ Polaris Inc., B.A. Information Technology, A.A. Engineering
3 Sprees
1 ATM50-A1
1 Indian AMI-50
The World's Greatest Spree: https://www.youtube.com/watch?v=lU49lL_Xx4s
Want to make a Spree engine go fast? CLICK HERE: LINK

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eclark5483
CB900F
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Posts: 1352
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Re: 1986 nq50 hard to get started

Post by eclark5483 » Wed Aug 14, 2019 4:40 pm

I noticed when I gave you the tracking number in private messages I skipped 4 numbers, but I see it arrived today. Sorry bout that, but at least you should have them now.
Indian Motorcycle tech @ Polaris Inc., B.A. Information Technology, A.A. Engineering
3 Sprees
1 ATM50-A1
1 Indian AMI-50
The World's Greatest Spree: https://www.youtube.com/watch?v=lU49lL_Xx4s
Want to make a Spree engine go fast? CLICK HERE: LINK

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