99 srx700 helix angle and angle questions???

[nick5oh]

the helix on a 99 srx 700 ive been told and have read is a 47 degree...is it a straight helix? like 47 is the only angle, everyone says 48/42 or 51/43 helix, I assume those are multi angle helixes? am I correct here?

 

[shaggyzr2]

47 straight

 

[A couple of bucks]

http://www.totallyamaha.net/forums/threads/81680-what-year-RX1-is-a-51-43-from

http://www.totallyamaha.net/forums/threads/98203-Helix-id

Post #114
http://www.totallyamaha.net/forums/threads/61494-List-of-aftermarket-helix-angles/page6