77 chain case

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JDXspec
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77 chain case

Post by JDXspec »

I replaced the chiancase on my 76 LF last yr and updated to the 77 case for the tensioner. Now i have the problem of the chain slipping under hard acceleration and braking. :wall: My question is Can I drill and tap a hole to keep the chain tight? just bring it up to the tensioner just so it can't flex. Any other ideas would be appreciated or if this could could work. The chain is good, things are aligned properly.

Thanks
Own 74 295/s, 75 340/S, 800, 76 440 Liquifire, 300, Liquidator (3), 78 440 Liquifire, 340 Liquifire CC, 80 Liquifire, 82 Trailfire LX, 83 Sprintfire 84 Sportfire
harleysportster
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77 chain case

Post by harleysportster »

Dustin,
Are the teeth worn on the gears. Did you install a new tensioner or slip in a used one with a weak spring.
'76 440 cyclone
'76 440 liquifire
'78 440 Cyclone
'75 JDX8 (sold to a member here)
'78 Liquifire(CrossCountry Clone)
'80 Liquifire(sold)
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JDXspec
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77 chain case

Post by JDXspec »

everything was used so it could be a weak spring. the biggest problem is braking is very limited. it makes bad noise when hitting the brakes. under acceleration it only slips under HARD acceleration. so when you brake it pulls the tensioner down because now you have just put tension on the normally slack side of the chain. I think the bolt would cure that. it never had a problem with this chain and gears with the scissor tensioner it started when i went to the new style chain case. the tensioner broke on the trail, I could tell something was amiss but it still drove ok going home and found the broken tensioner. the chain and gears still looked fine so it reused them.
Own 74 295/s, 75 340/S, 800, 76 440 Liquifire, 300, Liquidator (3), 78 440 Liquifire, 340 Liquifire CC, 80 Liquifire, 82 Trailfire LX, 83 Sprintfire 84 Sportfire
harleysportster
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77 chain case

Post by harleysportster »

I believe it is a weak spring.
'76 440 cyclone
'76 440 liquifire
'78 440 Cyclone
'75 JDX8 (sold to a member here)
'78 Liquifire(CrossCountry Clone)
'80 Liquifire(sold)
ICCSF 108
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77 chain case

Post by ICCSF 108 »

If we can get Dave "Jack Frost" to post pics of the 78 CC chain tightener up-date That I'm reproducing It uses the 80-84 Liquifire type tightener..
$50.00 Plus shipping includes the tightener, chaincase block & all bolts.. This is for the 77-78 chain cases with the single pin inside & that used the single flat spring tensioners..

Kenny
Last edited by ICCSF 108 on Tue Jan 06, 2009 11:27 pm, edited 1 time in total.
AKA: Kenny, Grumpy, Mr. Richard Head
"I Hunt For it, Purchase it, Haul it, Sometimes Repair it, Sometimes Break it, Then Fix it Again, Label it, Warehouse it, Talk About it, So NOW, HOW Can I Take Any Less $$ For It?"
"God I love the smell of KLOTZ in the morning, That smell, you know that Gasoline/Oil Smell, MAKES the whole place SMELL like.. LIKE VICTORY. You know someday the 2 strokers are gonna end..."
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JDXspec
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77 chain case

Post by JDXspec »

a picture would be great. would be be somewhat like the 340/s tensioner? thats what gave me the idea in the first place. I did reshape my spring and now it only ratchets while braking but I don't think I can fix it just doing that.
Last edited by JDXspec on Tue Jan 06, 2009 11:48 pm, edited 1 time in total.
Own 74 295/s, 75 340/S, 800, 76 440 Liquifire, 300, Liquidator (3), 78 440 Liquifire, 340 Liquifire CC, 80 Liquifire, 82 Trailfire LX, 83 Sprintfire 84 Sportfire
Jack Frost
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77 chain case

Post by Jack Frost »

Found the pictures. Buy one from Kenny it's worth the money!

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1978 340 CC Liquifire
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JDXspec
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77 chain case

Post by JDXspec »

Well I got it fixed for the time being. I had a set of 21-39 gears and chains (instead of the 24-40 that was in there.) the lower gear set uses a shorter chain and runs just a bit tighter so the same spring tensioner works fine. But that said Kenny are these kits ready yet? I still ned the higher ratio for higher speed cruising. :lol22:
Own 74 295/s, 75 340/S, 800, 76 440 Liquifire, 300, Liquidator (3), 78 440 Liquifire, 340 Liquifire CC, 80 Liquifire, 82 Trailfire LX, 83 Sprintfire 84 Sportfire
ICCSF 108
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77 chain case

Post by ICCSF 108 »

The kit uses the 80-84 Liquifire tightener (Roller & channel bracket) It'll only take me a day to get one made up.. Now if you have your own 80-84 roller & channel bracket then I'll sell the kit for $25.00 + shipping as that is the parts that are hard to find...

Kenny
AKA: Kenny, Grumpy, Mr. Richard Head
"I Hunt For it, Purchase it, Haul it, Sometimes Repair it, Sometimes Break it, Then Fix it Again, Label it, Warehouse it, Talk About it, So NOW, HOW Can I Take Any Less $$ For It?"
"God I love the smell of KLOTZ in the morning, That smell, you know that Gasoline/Oil Smell, MAKES the whole place SMELL like.. LIKE VICTORY. You know someday the 2 strokers are gonna end..."
Do Anti-War Protesters have reunions? If so what do they TALK about?
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