S5 Engine Tuning

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S5-N Engine Tuning

AS FITTED TO PRE 2001 MALAGUTI, LEM, MOTO ROMA, ITALJET, YOUNG RIDER, BSA, BETA, HM & MANY MORE KIDS FUN BIKES

Click HERE for S5 E/N engine diagram

Dellorto SHA 15/15 carb.

Bigger than the 14/12, gives a 56% increase in carb diameter BUY ONLINE

10T or 11T front sprocket

Allows you to improve top speed or acceleration (check your current sprocket)

PHBG carbs

The carbs are multi jet with round slides, a big improvement in size & performance over the SHA (flat slide single jet) carbs. Sizes are 15, 18, 19 & 21mm. Types available to fit rubber & alloy inlet manifold (please specify). Will maximise performance on reed valved cylinder, minor increases on non reed cylinders. Will require a new manifold if replacing an SHA carb.  BUY ONLINE

Performance clutch

As OE clutch but with stiff performance springs to hold clutch in till higher engine rpm. Gives better racing starts, and matches new power curve of 4 reed cylinder BUY ONLINE

Performance clutch springs

Available in medium & stiff versions, gives you adjustability in the engage point of the clutch in relation to engine rpm. Gives better racing starts, and matches new power curve of 4 reed cylinder BUY ONLINE

Malaguti Tuning Parts

Click here for information on tuning kits for pre-2001 Malaguti RCX Grzzly bikes

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Copyright © 2008 Harglo Performance
Last modified: September, 2009