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Clutching and gearing

BMP now recommends their orange primary spring - a 165/310 rate. You could also try a Team blue which is 150/310 so your engagement isn't as high. You'll probably need more magnets to keep rpm down. Heck, I'm around 76grams.

What clickers are folks adjusting to keep the nose down, these things just about flip over.

Loren Ward said:
I have Bikeman pipe and PCV installed on sled. Just changed gearing to 1.74 and now is over revving to 8600 8700. I have Bikeman clutch kit installed also set to there specs 2-2-2-2. Drive clutch spring has finish rate of 340. Would it be better to drop finish rate or add more weight to arms.
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PoPo said:
How far up the primary is full shiftout?
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To the top. I used to have an Exhaust Gas Technologies gauge on my 2000 XCR 800. It has to be calibrated before it is accurate. Just barely moving the ratio is 19.99-1. Best I ever saw the full shift out past 1-1 was .92-1. That's a killer overdrive. Div20
 
Bigfuse said:
To the top. I used to have an Exhaust Gas Technologies gauge on my 2000 XCR 800. It has to be calibrated before it is accurate. Just barely moving the ratio is 19.99-1. Best I ever saw the full shift out past 1-1 was .92-1. That's a killer overdrive. Div20
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Ok, I'm a light 1/4" from top. I have 1.74 ratio, 120-310 w/cutler tm @ 65g, 54-40f w/155/222 and gates belt. I had a 140-200 but had a lot of track spin. Gonna try 140-220. What do I need to do to get to the top of primary??
 
PoPo said:
Ok, I'm a light 1/4" from top. I have 1.74 ratio, 120-310 w/cutler tm @ 65g, 54-40f w/155/222 and gates belt. I had a 140-200 but had a lot of track spin. Gonna try 140-220. What do I need to do to get to the top of primary??
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More weight or a softer primary spring.
 
JohnnyBravo said:
x2....add more tip weight and check belt to sheave clearance for starters.
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What he said.

If you have adjustable weights and your not seeing full shift on primary with marker. Add more tip weight. This will help force the belt up.Div20
 
PoPo said:
These are the same as daltons, I had 2g and turned 8-8100, switched to .82 and gained, removed them so just running 65g with no added weights and got 8250-8300.
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Just keep adding weight til it falls on its face then back off a bit.
 
PoPo said:
These are the same as daltons, I had 2g and turned 8-8100, switched to .82 and gained, removed them so just running 65g with no added weights and got 8250-8300.
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What's your total set up??

You have studs??
 
Brock said:
What's your total set up??

You have studs??
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1.74, 120-310, cutler tm 65g, 50-44f, 155-222 ,gates, 96gold diggers. Had a 140-200 and had a lot of track spin, but seemed quicker when it hooked.
 
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