Profile Table

Make:HONDA ROCKER RATIO 1.5:1

Model:CS XL XR 75cc – 125cc

Ivan Tighe Engineering Pty Ltd

Tel (07) 3271 6001
Fax (07) 3271 6005

Email: sales@tighecams.com.au

Profile Number	Advertised Timings				DURATION				VALVE LIFT				TAPPET CLEARANCE		REMARKS
	Ex Op. B.B.D.C.	Ex Cl A.T.D.C	In Op. B.T.D.C.	In Cl A.B.D.C	Advertised		@ 0.050”		Gross.		@ T.D.C.		Ex.	In.
361	67	32	33	64	279	277			0.380”	0.380”			0.006”	0.004”	1^st Imp.
385	70	30	37	72	280	289			0.410”	0.400”			0.006”	0.004”
1269									0.410”	0.420”			0.006’	0.004”	Morowaki
419	66	33	38	66	279	284			0.430”	0.430”			0.006”	0.004”
334	74	38	42	70	292	292			0.410”	0.430”			0.006”	0.004”
356B	78	39	47	70	297	297			0.435”	0.435”			0.006”	0.004”
549	75	39	43	71	294	294			0.460”	0.472”			0.006”	0.004”
356	78	39	47	70	297	297			0.435”	0.485”			0.006”	0.004’	Road race
927	76	44	44	76	300	300			0.465”	0.465”			0.006”	0.004”	Road race

Notes: -Profiles to suit XL & XR,75-80-100-125cc.

-New camshafts available on some models.

-Modified valve springs recommended on all improvements.